Home / 31,053,355.38-42,853,805.73-18,008,359.38

Finding the Fourth Proportional to 31,053,355.38, 42,853,805.73 and 18,008,359.38

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Solution

The fourth proportional to 31,053,355.38, 42,853,805.73 and 18,008,359.38 is: 24,851,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,355.38 : 42,853,805.73 = 18,008,359.38 : x
  2. Step 2: Convert to fraction form
    31,053,355.38/42,853,805.73 = 18,008,359.38/x
  3. Step 3: Cross multiply
    31,053,355.38x = 42,853,805.73 × 18,008,359.38
  4. Step 4: Simplify right side
    31,053,355.38x = 771,726,734,386,543.12
  5. Step 5: Solve for x
    x = 771,726,734,386,543.12/31,053,355.38
  6. Step 6: Final answer
    x = 24,851,637.61

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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.