Home / 7,002,920.46-9,664,010.79-3,905,446.71

Finding the Fourth Proportional to 7,002,920.46, 9,664,010.79 and 3,905,446.71

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Solution

The fourth proportional to 7,002,920.46, 9,664,010.79 and 3,905,446.71 is: 5,389,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,920.46 : 9,664,010.79 = 3,905,446.71 : x
  2. Step 2: Convert to fraction form
    7,002,920.46/9,664,010.79 = 3,905,446.71/x
  3. Step 3: Cross multiply
    7,002,920.46x = 9,664,010.79 × 3,905,446.71
  4. Step 4: Simplify right side
    7,002,920.46x = 37,742,279,145,210
  5. Step 5: Solve for x
    x = 37,742,279,145,210/7,002,920.46
  6. Step 6: Final answer
    x = 5,389,505.62

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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.