Home / 7,110,789.47-9,812,815.70-3,847,532.14

Finding the Fourth Proportional to 7,110,789.47, 9,812,815.70 and 3,847,532.14

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Solution

The fourth proportional to 7,110,789.47, 9,812,815.70 and 3,847,532.14 is: 5,309,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110,789.47 : 9,812,815.70 = 3,847,532.14 : x
  2. Step 2: Convert to fraction form
    7,110,789.47/9,812,815.70 = 3,847,532.14/x
  3. Step 3: Cross multiply
    7,110,789.47x = 9,812,815.70 × 3,847,532.14
  4. Step 4: Simplify right side
    7,110,789.47x = 37,755,123,745,876.90
  5. Step 5: Solve for x
    x = 37,755,123,745,876.90/7,110,789.47
  6. Step 6: Final answer
    x = 5,309,554.44

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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.