Home / 8,791,029.20-13,186,543.80-5,389,806.80

Finding the Fourth Proportional to 8,791,029.20, 13,186,543.80 and 5,389,806.80

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Solution

The fourth proportional to 8,791,029.20, 13,186,543.80 and 5,389,806.80 is: 8,084,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,029.20 : 13,186,543.80 = 5,389,806.80 : x
  2. Step 2: Convert to fraction form
    8,791,029.20/13,186,543.80 = 5,389,806.80/x
  3. Step 3: Cross multiply
    8,791,029.20x = 13,186,543.80 × 5,389,806.80
  4. Step 4: Simplify right side
    8,791,029.20x = 71,072,923,441,737.84
  5. Step 5: Solve for x
    x = 71,072,923,441,737.84/8,791,029.20
  6. Step 6: Final answer
    x = 8,084,710.20

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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.