Home / 43,281,372.86-64,922,188.46-10,491,811.72

Finding the Fourth Proportional to 43,281,372.86, 64,922,188.46 and 10,491,811.72

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Solution

The fourth proportional to 43,281,372.86, 64,922,188.46 and 10,491,811.72 is: 15,737,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281,372.86 : 64,922,188.46 = 10,491,811.72 : x
  2. Step 2: Convert to fraction form
    43,281,372.86/64,922,188.46 = 10,491,811.72/x
  3. Step 3: Cross multiply
    43,281,372.86x = 64,922,188.46 × 10,491,811.72
  4. Step 4: Simplify right side
    43,281,372.86x = 681,151,377,448,065.75
  5. Step 5: Solve for x
    x = 681,151,377,448,065.75/43,281,372.86
  6. Step 6: Final answer
    x = 15,737,748.88

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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.