Home / 10,978,193.80-16,476,621.90-8,850,680.20

Finding the Fourth Proportional to 10,978,193.80, 16,476,621.90 and 8,850,680.20

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Solution

The fourth proportional to 10,978,193.80, 16,476,621.90 and 8,850,680.20 is: 13,283,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,193.80 : 16,476,621.90 = 8,850,680.20 : x
  2. Step 2: Convert to fraction form
    10,978,193.80/16,476,621.90 = 8,850,680.20/x
  3. Step 3: Cross multiply
    10,978,193.80x = 16,476,621.90 × 8,850,680.20
  4. Step 4: Simplify right side
    10,978,193.80x = 145,829,311,213,216.38
  5. Step 5: Solve for x
    x = 145,829,311,213,216.38/10,978,193.80
  6. Step 6: Final answer
    x = 13,283,543.16

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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.