Home / 20,715,505.39-31,071,956.64-6,337,430.83

Finding the Fourth Proportional to 20,715,505.39, 31,071,956.64 and 6,337,430.83

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Solution

The fourth proportional to 20,715,505.39, 31,071,956.64 and 6,337,430.83 is: 9,505,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,505.39 : 31,071,956.64 = 6,337,430.83 : x
  2. Step 2: Convert to fraction form
    20,715,505.39/31,071,956.64 = 6,337,430.83/x
  3. Step 3: Cross multiply
    20,715,505.39x = 31,071,956.64 × 6,337,430.83
  4. Step 4: Simplify right side
    20,715,505.39x = 196,916,375,958,759.22
  5. Step 5: Solve for x
    x = 196,916,375,958,759.22/20,715,505.39
  6. Step 6: Final answer
    x = 9,505,748.10

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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.