Home / 7,002,920.69-9,664,011.13-3,905,446.97

Finding the Fourth Proportional to 7,002,920.69, 9,664,011.13 and 3,905,446.97

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Solution

The fourth proportional to 7,002,920.69, 9,664,011.13 and 3,905,446.97 is: 5,389,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,920.69 : 9,664,011.13 = 3,905,446.97 : x
  2. Step 2: Convert to fraction form
    7,002,920.69/9,664,011.13 = 3,905,446.97/x
  3. Step 3: Cross multiply
    7,002,920.69x = 9,664,011.13 × 3,905,446.97
  4. Step 4: Simplify right side
    7,002,920.69x = 37,742,282,985,704.78
  5. Step 5: Solve for x
    x = 37,742,282,985,704.78/7,002,920.69
  6. Step 6: Final answer
    x = 5,389,505.99

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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.