Home / 19,955,581.40-29,933,372.10-15,172,612.40

Finding the Fourth Proportional to 19,955,581.40, 29,933,372.10 and 15,172,612.40

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Solution

The fourth proportional to 19,955,581.40, 29,933,372.10 and 15,172,612.40 is: 22,758,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955,581.40 : 29,933,372.10 = 15,172,612.40 : x
  2. Step 2: Convert to fraction form
    19,955,581.40/29,933,372.10 = 15,172,612.40/x
  3. Step 3: Cross multiply
    19,955,581.40x = 29,933,372.10 × 15,172,612.40
  4. Step 4: Simplify right side
    19,955,581.40x = 454,167,452,698,274.06
  5. Step 5: Solve for x
    x = 454,167,452,698,274.06/19,955,581.40
  6. Step 6: Final answer
    x = 22,758,918.60

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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.