Home / 8,387,330.56-12,559,650.72-5,543,180.80

Finding the Fourth Proportional to 8,387,330.56, 12,559,650.72 and 5,543,180.80

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Solution

The fourth proportional to 8,387,330.56, 12,559,650.72 and 5,543,180.80 is: 8,300,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,330.56 : 12,559,650.72 = 5,543,180.80 : x
  2. Step 2: Convert to fraction form
    8,387,330.56/12,559,650.72 = 5,543,180.80/x
  3. Step 3: Cross multiply
    8,387,330.56x = 12,559,650.72 × 5,543,180.80
  4. Step 4: Simplify right side
    8,387,330.56x = 69,620,414,725,810.18
  5. Step 5: Solve for x
    x = 69,620,414,725,810.18/8,387,330.56
  6. Step 6: Final answer
    x = 8,300,664.23

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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.