Home / 12,672,002.40-19,008,003.60-6,279,784.80

Finding the Fourth Proportional to 12,672,002.40, 19,008,003.60 and 6,279,784.80

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Solution

The fourth proportional to 12,672,002.40, 19,008,003.60 and 6,279,784.80 is: 9,419,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,002.40 : 19,008,003.60 = 6,279,784.80 : x
  2. Step 2: Convert to fraction form
    12,672,002.40/19,008,003.60 = 6,279,784.80/x
  3. Step 3: Cross multiply
    12,672,002.40x = 19,008,003.60 × 6,279,784.80
  4. Step 4: Simplify right side
    12,672,002.40x = 119,366,172,085,625.28
  5. Step 5: Solve for x
    x = 119,366,172,085,625.28/12,672,002.40
  6. Step 6: Final answer
    x = 9,419,677.20

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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.