Home / 18,288,168.20-27,419,810.70-8,708,136.20

Finding the Fourth Proportional to 18,288,168.20, 27,419,810.70 and 8,708,136.20

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Solution

The fourth proportional to 18,288,168.20, 27,419,810.70 and 8,708,136.20 is: 13,056,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,168.20 : 27,419,810.70 = 8,708,136.20 : x
  2. Step 2: Convert to fraction form
    18,288,168.20/27,419,810.70 = 8,708,136.20/x
  3. Step 3: Cross multiply
    18,288,168.20x = 27,419,810.70 × 8,708,136.20
  4. Step 4: Simplify right side
    18,288,168.20x = 238,775,446,153,817.31
  5. Step 5: Solve for x
    x = 238,775,446,153,817.31/18,288,168.20
  6. Step 6: Final answer
    x = 13,056,280.08

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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.