Home / 8,315,068.38-11,468,471.45-7,155,469.14

Finding the Fourth Proportional to 8,315,068.38, 11,468,471.45 and 7,155,469.14

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Solution

The fourth proportional to 8,315,068.38, 11,468,471.45 and 7,155,469.14 is: 9,869,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,068.38 : 11,468,471.45 = 7,155,469.14 : x
  2. Step 2: Convert to fraction form
    8,315,068.38/11,468,471.45 = 7,155,469.14/x
  3. Step 3: Cross multiply
    8,315,068.38x = 11,468,471.45 × 7,155,469.14
  4. Step 4: Simplify right side
    8,315,068.38x = 82,062,293,507,668.70
  5. Step 5: Solve for x
    x = 82,062,293,507,668.70/8,315,068.38
  6. Step 6: Final answer
    x = 9,869,106.27

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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.