Home / 7,690,404.88-11,535,532.44-5,406,507.28

Finding the Fourth Proportional to 7,690,404.88, 11,535,532.44 and 5,406,507.28

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Solution

The fourth proportional to 7,690,404.88, 11,535,532.44 and 5,406,507.28 is: 8,109,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690,404.88 : 11,535,532.44 = 5,406,507.28 : x
  2. Step 2: Convert to fraction form
    7,690,404.88/11,535,532.44 = 5,406,507.28/x
  3. Step 3: Cross multiply
    7,690,404.88x = 11,535,532.44 × 5,406,507.28
  4. Step 4: Simplify right side
    7,690,404.88x = 62,366,940,115,536.16
  5. Step 5: Solve for x
    x = 62,366,940,115,536.16/7,690,404.88
  6. Step 6: Final answer
    x = 8,109,708.28

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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.