Home / 13,146,780.94-19,809,907.79-10,803,126.13

Finding the Fourth Proportional to 13,146,780.94, 19,809,907.79 and 10,803,126.13

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Solution

The fourth proportional to 13,146,780.94, 19,809,907.79 and 10,803,126.13 is: 16,278,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,780.94 : 19,809,907.79 = 10,803,126.13 : x
  2. Step 2: Convert to fraction form
    13,146,780.94/19,809,907.79 = 10,803,126.13/x
  3. Step 3: Cross multiply
    13,146,780.94x = 19,809,907.79 × 10,803,126.13
  4. Step 4: Simplify right side
    13,146,780.94x = 214,008,932,375,499.16
  5. Step 5: Solve for x
    x = 214,008,932,375,499.16/13,146,780.94
  6. Step 6: Final answer
    x = 16,278,428.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.