Home / 19,156,138.40-28,734,207.60-15,377,002.40

Finding the Fourth Proportional to 19,156,138.40, 28,734,207.60 and 15,377,002.40

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Solution

The fourth proportional to 19,156,138.40, 28,734,207.60 and 15,377,002.40 is: 23,065,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,138.40 : 28,734,207.60 = 15,377,002.40 : x
  2. Step 2: Convert to fraction form
    19,156,138.40/28,734,207.60 = 15,377,002.40/x
  3. Step 3: Cross multiply
    19,156,138.40x = 28,734,207.60 × 15,377,002.40
  4. Step 4: Simplify right side
    19,156,138.40x = 441,845,979,227,298.25
  5. Step 5: Solve for x
    x = 441,845,979,227,298.25/19,156,138.40
  6. Step 6: Final answer
    x = 23,065,503.60

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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.