Home / 8,375,975.20-12,563,962.80-5,506,193.80

Finding the Fourth Proportional to 8,375,975.20, 12,563,962.80 and 5,506,193.80

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Solution

The fourth proportional to 8,375,975.20, 12,563,962.80 and 5,506,193.80 is: 8,259,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,975.20 : 12,563,962.80 = 5,506,193.80 : x
  2. Step 2: Convert to fraction form
    8,375,975.20/12,563,962.80 = 5,506,193.80/x
  3. Step 3: Cross multiply
    8,375,975.20x = 12,563,962.80 × 5,506,193.80
  4. Step 4: Simplify right side
    8,375,975.20x = 69,179,614,072,790.64
  5. Step 5: Solve for x
    x = 69,179,614,072,790.64/8,375,975.20
  6. Step 6: Final answer
    x = 8,259,290.70

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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.