Home / 45,791,591.47-68,690,005.57-12,999,595.41

Finding the Fourth Proportional to 45,791,591.47, 68,690,005.57 and 12,999,595.41

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Solution

The fourth proportional to 45,791,591.47, 68,690,005.57 and 12,999,595.41 is: 19,500,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,791,591.47 : 68,690,005.57 = 12,999,595.41 : x
  2. Step 2: Convert to fraction form
    45,791,591.47/68,690,005.57 = 12,999,595.41/x
  3. Step 3: Cross multiply
    45,791,591.47x = 68,690,005.57 × 12,999,595.41
  4. Step 4: Simplify right side
    45,791,591.47x = 892,942,281,120,646.38
  5. Step 5: Solve for x
    x = 892,942,281,120,646.38/45,791,591.47
  6. Step 6: Final answer
    x = 19,500,136.43

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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.