Home / 29,123,711.20-43,685,566.80-12,949,631.20

Finding the Fourth Proportional to 29,123,711.20, 43,685,566.80 and 12,949,631.20

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Solution

The fourth proportional to 29,123,711.20, 43,685,566.80 and 12,949,631.20 is: 19,424,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123,711.20 : 43,685,566.80 = 12,949,631.20 : x
  2. Step 2: Convert to fraction form
    29,123,711.20/43,685,566.80 = 12,949,631.20/x
  3. Step 3: Cross multiply
    29,123,711.20x = 43,685,566.80 × 12,949,631.20
  4. Step 4: Simplify right side
    29,123,711.20x = 565,711,978,822,964.12
  5. Step 5: Solve for x
    x = 565,711,978,822,964.12/29,123,711.20
  6. Step 6: Final answer
    x = 19,424,446.80

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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.