Home / 13,609,061.60-20,389,972.80-8,814,282.80

Finding the Fourth Proportional to 13,609,061.60, 20,389,972.80 and 8,814,282.80

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Solution

The fourth proportional to 13,609,061.60, 20,389,972.80 and 8,814,282.80 is: 13,206,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,061.60 : 20,389,972.80 = 8,814,282.80 : x
  2. Step 2: Convert to fraction form
    13,609,061.60/20,389,972.80 = 8,814,282.80/x
  3. Step 3: Cross multiply
    13,609,061.60x = 20,389,972.80 × 8,814,282.80
  4. Step 4: Simplify right side
    13,609,061.60x = 179,722,986,543,507.88
  5. Step 5: Solve for x
    x = 179,722,986,543,507.88/13,609,061.60
  6. Step 6: Final answer
    x = 13,206,126.32

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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.