Home / 12,672,080.80-19,008,121.20-6,283,319.20

Finding the Fourth Proportional to 12,672,080.80, 19,008,121.20 and 6,283,319.20

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Solution

The fourth proportional to 12,672,080.80, 19,008,121.20 and 6,283,319.20 is: 9,424,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,080.80 : 19,008,121.20 = 6,283,319.20 : x
  2. Step 2: Convert to fraction form
    12,672,080.80/19,008,121.20 = 6,283,319.20/x
  3. Step 3: Cross multiply
    12,672,080.80x = 19,008,121.20 × 6,283,319.20
  4. Step 4: Simplify right side
    12,672,080.80x = 119,434,092,891,887.03
  5. Step 5: Solve for x
    x = 119,434,092,891,887.03/12,672,080.80
  6. Step 6: Final answer
    x = 9,424,978.80

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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.