Home / 7,876,012.10-11,816,642.55-7,029,400.10

Finding the Fourth Proportional to 7,876,012.10, 11,816,642.55 and 7,029,400.10

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Solution

The fourth proportional to 7,876,012.10, 11,816,642.55 and 7,029,400.10 is: 10,546,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,012.10 : 11,816,642.55 = 7,029,400.10 : x
  2. Step 2: Convert to fraction form
    7,876,012.10/11,816,642.55 = 7,029,400.10/x
  3. Step 3: Cross multiply
    7,876,012.10x = 11,816,642.55 × 7,029,400.10
  4. Step 4: Simplify right side
    7,876,012.10x = 83,063,908,322,634.25
  5. Step 5: Solve for x
    x = 83,063,908,322,634.25/7,876,012.10
  6. Step 6: Final answer
    x = 10,546,442.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.