Home / 12,601,892.40-18,912,169.80-8,340,644.40

Finding the Fourth Proportional to 12,601,892.40, 18,912,169.80 and 8,340,644.40

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Solution

The fourth proportional to 12,601,892.40, 18,912,169.80 and 8,340,644.40 is: 12,517,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,892.40 : 18,912,169.80 = 8,340,644.40 : x
  2. Step 2: Convert to fraction form
    12,601,892.40/18,912,169.80 = 8,340,644.40/x
  3. Step 3: Cross multiply
    12,601,892.40x = 18,912,169.80 × 8,340,644.40
  4. Step 4: Simplify right side
    12,601,892.40x = 157,739,683,134,219.12
  5. Step 5: Solve for x
    x = 157,739,683,134,219.12/12,601,892.40
  6. Step 6: Final answer
    x = 12,517,142.52

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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.