Home / 19,955,612.40-29,933,418.60-15,172,643.40

Finding the Fourth Proportional to 19,955,612.40, 29,933,418.60 and 15,172,643.40

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Solution

The fourth proportional to 19,955,612.40, 29,933,418.60 and 15,172,643.40 is: 22,758,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955,612.40 : 29,933,418.60 = 15,172,643.40 : x
  2. Step 2: Convert to fraction form
    19,955,612.40/29,933,418.60 = 15,172,643.40/x
  3. Step 3: Cross multiply
    19,955,612.40x = 29,933,418.60 × 15,172,643.40
  4. Step 4: Simplify right side
    19,955,612.40x = 454,169,086,160,727.25
  5. Step 5: Solve for x
    x = 454,169,086,160,727.25/19,955,612.40
  6. Step 6: Final answer
    x = 22,758,965.10

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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.