Home / 12,386,724.90-18,580,087.35-8,082,052.80

Finding the Fourth Proportional to 12,386,724.90, 18,580,087.35 and 8,082,052.80

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Solution

The fourth proportional to 12,386,724.90, 18,580,087.35 and 8,082,052.80 is: 12,123,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386,724.90 : 18,580,087.35 = 8,082,052.80 : x
  2. Step 2: Convert to fraction form
    12,386,724.90/18,580,087.35 = 8,082,052.80/x
  3. Step 3: Cross multiply
    12,386,724.90x = 18,580,087.35 × 8,082,052.80
  4. Step 4: Simplify right side
    12,386,724.90x = 150,165,246,991,312.09
  5. Step 5: Solve for x
    x = 150,165,246,991,312.09/12,386,724.90
  6. Step 6: Final answer
    x = 12,123,079.20

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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.