Home / 18,202,358.16-25,119,088.29-9,942,419.12

Finding the Fourth Proportional to 18,202,358.16, 25,119,088.29 and 9,942,419.12

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Solution

The fourth proportional to 18,202,358.16, 25,119,088.29 and 9,942,419.12 is: 13,720,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,358.16 : 25,119,088.29 = 9,942,419.12 : x
  2. Step 2: Convert to fraction form
    18,202,358.16/25,119,088.29 = 9,942,419.12/x
  3. Step 3: Cross multiply
    18,202,358.16x = 25,119,088.29 × 9,942,419.12
  4. Step 4: Simplify right side
    18,202,358.16x = 249,744,503,565,868.66
  5. Step 5: Solve for x
    x = 249,744,503,565,868.66/18,202,358.16
  6. Step 6: Final answer
    x = 13,720,447.72

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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.