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Finding the Fourth Proportional to 12,466,468.80, 18,683,956.80 and 6,062,932.80

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Solution

The fourth proportional to 12,466,468.80, 18,683,956.80 and 6,062,932.80 is: 9,086,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466,468.80 : 18,683,956.80 = 6,062,932.80 : x
  2. Step 2: Convert to fraction form
    12,466,468.80/18,683,956.80 = 6,062,932.80/x
  3. Step 3: Cross multiply
    12,466,468.80x = 18,683,956.80 × 6,062,932.80
  4. Step 4: Simplify right side
    12,466,468.80x = 113,279,574,516,503.05
  5. Step 5: Solve for x
    x = 113,279,574,516,503.05/12,466,468.80
  6. Step 6: Final answer
    x = 9,086,741.11

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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.