Home / 20,624,150.13-30,931,425.86-7,676,398.56

Finding the Fourth Proportional to 20,624,150.13, 30,931,425.86 and 7,676,398.56

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Solution

The fourth proportional to 20,624,150.13, 30,931,425.86 and 7,676,398.56 is: 11,512,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624,150.13 : 30,931,425.86 = 7,676,398.56 : x
  2. Step 2: Convert to fraction form
    20,624,150.13/30,931,425.86 = 7,676,398.56/x
  3. Step 3: Cross multiply
    20,624,150.13x = 30,931,425.86 × 7,676,398.56
  4. Step 4: Simplify right side
    20,624,150.13x = 237,441,952,775,793.62
  5. Step 5: Solve for x
    x = 237,441,952,775,793.62/20,624,150.13
  6. Step 6: Final answer
    x = 11,512,811.50

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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.