Home / 34,148,331.60-51,156,142.20-18,975,109.20

Finding the Fourth Proportional to 34,148,331.60, 51,156,142.20 and 18,975,109.20

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Solution

The fourth proportional to 34,148,331.60, 51,156,142.20 and 18,975,109.20 is: 28,425,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148,331.60 : 51,156,142.20 = 18,975,109.20 : x
  2. Step 2: Convert to fraction form
    34,148,331.60/51,156,142.20 = 18,975,109.20/x
  3. Step 3: Cross multiply
    34,148,331.60x = 51,156,142.20 × 18,975,109.20
  4. Step 4: Simplify right side
    34,148,331.60x = 970,693,384,495,728.25
  5. Step 5: Solve for x
    x = 970,693,384,495,728.25/34,148,331.60
  6. Step 6: Final answer
    x = 28,425,792.39

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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.