Home / 32,860,147.20-45,331,916.40-21,261,491.52

Finding the Fourth Proportional to 32,860,147.20, 45,331,916.40 and 21,261,491.52

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Solution

The fourth proportional to 32,860,147.20, 45,331,916.40 and 21,261,491.52 is: 29,331,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,860,147.20 : 45,331,916.40 = 21,261,491.52 : x
  2. Step 2: Convert to fraction form
    32,860,147.20/45,331,916.40 = 21,261,491.52/x
  3. Step 3: Cross multiply
    32,860,147.20x = 45,331,916.40 × 21,261,491.52
  4. Step 4: Simplify right side
    32,860,147.20x = 963,824,156,123,948.88
  5. Step 5: Solve for x
    x = 963,824,156,123,948.88/32,860,147.20
  6. Step 6: Final answer
    x = 29,331,096.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.