Home / 30,552,781.32-45,851,061.60-11,121,966.72

Finding the Fourth Proportional to 30,552,781.32, 45,851,061.60 and 11,121,966.72

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Solution

The fourth proportional to 30,552,781.32, 45,851,061.60 and 11,121,966.72 is: 16,690,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552,781.32 : 45,851,061.60 = 11,121,966.72 : x
  2. Step 2: Convert to fraction form
    30,552,781.32/45,851,061.60 = 11,121,966.72/x
  3. Step 3: Cross multiply
    30,552,781.32x = 45,851,061.60 × 11,121,966.72
  4. Step 4: Simplify right side
    30,552,781.32x = 509,953,981,191,870
  5. Step 5: Solve for x
    x = 509,953,981,191,870/30,552,781.32
  6. Step 6: Final answer
    x = 16,690,918.44

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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.