Home / 19,928,307.60-29,892,461.40-15,109,909.20

Finding the Fourth Proportional to 19,928,307.60, 29,892,461.40 and 15,109,909.20

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Solution

The fourth proportional to 19,928,307.60, 29,892,461.40 and 15,109,909.20 is: 22,664,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,307.60 : 29,892,461.40 = 15,109,909.20 : x
  2. Step 2: Convert to fraction form
    19,928,307.60/29,892,461.40 = 15,109,909.20/x
  3. Step 3: Cross multiply
    19,928,307.60x = 29,892,461.40 × 15,109,909.20
  4. Step 4: Simplify right side
    19,928,307.60x = 451,672,377,518,504.81
  5. Step 5: Solve for x
    x = 451,672,377,518,504.81/19,928,307.60
  6. Step 6: Final answer
    x = 22,664,863.80

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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.