Home / 11,358,428,154.88-15,666,501,619.02-7,972,093,072.12

Finding the Fourth Proportional to 11,358,428,154.88, 15,666,501,619.02 and 7,972,093,072.12

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Solution

The fourth proportional to 11,358,428,154.88, 15,666,501,619.02 and 7,972,093,072.12 is: 10,995,782,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358,428,154.88 : 15,666,501,619.02 = 7,972,093,072.12 : x
  2. Step 2: Convert to fraction form
    11,358,428,154.88/15,666,501,619.02 = 7,972,093,072.12/x
  3. Step 3: Cross multiply
    11,358,428,154.88x = 15,666,501,619.02 × 7,972,093,072.12
  4. Step 4: Simplify right side
    11,358,428,154.88x = 124,894,809,021,346,103,296
  5. Step 5: Solve for x
    x = 124,894,809,021,346,103,296/11,358,428,154.88
  6. Step 6: Final answer
    x = 10,995,782,807.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.