Home / 18,120,834.19-25,006,754.43-9,972,072.19

Finding the Fourth Proportional to 18,120,834.19, 25,006,754.43 and 9,972,072.19

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Solution

The fourth proportional to 18,120,834.19, 25,006,754.43 and 9,972,072.19 is: 13,761,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,834.19 : 25,006,754.43 = 9,972,072.19 : x
  2. Step 2: Convert to fraction form
    18,120,834.19/25,006,754.43 = 9,972,072.19/x
  3. Step 3: Cross multiply
    18,120,834.19x = 25,006,754.43 × 9,972,072.19
  4. Step 4: Simplify right side
    18,120,834.19x = 249,369,160,413,562.28
  5. Step 5: Solve for x
    x = 249,369,160,413,562.28/18,120,834.19
  6. Step 6: Final answer
    x = 13,761,461.41

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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.