Home / 18,202,781.06-25,119,666.83-9,942,839.27

Finding the Fourth Proportional to 18,202,781.06, 25,119,666.83 and 9,942,839.27

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Solution

The fourth proportional to 18,202,781.06, 25,119,666.83 and 9,942,839.27 is: 13,721,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,781.06 : 25,119,666.83 = 9,942,839.27 : x
  2. Step 2: Convert to fraction form
    18,202,781.06/25,119,666.83 = 9,942,839.27/x
  3. Step 3: Cross multiply
    18,202,781.06x = 25,119,666.83 × 9,942,839.27
  4. Step 4: Simplify right side
    18,202,781.06x = 249,760,809,631,327.91
  5. Step 5: Solve for x
    x = 249,760,809,631,327.91/18,202,781.06
  6. Step 6: Final answer
    x = 13,721,024.76

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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.