Home / 12,451,702.76-18,683,229.24-6,390,690.81

Finding the Fourth Proportional to 12,451,702.76, 18,683,229.24 and 6,390,690.81

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Solution

The fourth proportional to 12,451,702.76, 18,683,229.24 and 6,390,690.81 is: 9,588,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,702.76 : 18,683,229.24 = 6,390,690.81 : x
  2. Step 2: Convert to fraction form
    12,451,702.76/18,683,229.24 = 6,390,690.81/x
  3. Step 3: Cross multiply
    12,451,702.76x = 18,683,229.24 × 6,390,690.81
  4. Step 4: Simplify right side
    12,451,702.76x = 119,398,741,405,646.38
  5. Step 5: Solve for x
    x = 119,398,741,405,646.38/12,451,702.76
  6. Step 6: Final answer
    x = 9,588,948.89

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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.