Home / 12,799,729.60-19,221,712.80-6,827,761.60

Finding the Fourth Proportional to 12,799,729.60, 19,221,712.80 and 6,827,761.60

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Solution

The fourth proportional to 12,799,729.60, 19,221,712.80 and 6,827,761.60 is: 10,253,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,729.60 : 19,221,712.80 = 6,827,761.60 : x
  2. Step 2: Convert to fraction form
    12,799,729.60/19,221,712.80 = 6,827,761.60/x
  3. Step 3: Cross multiply
    12,799,729.60x = 19,221,712.80 × 6,827,761.60
  4. Step 4: Simplify right side
    12,799,729.60x = 131,241,272,542,068.48
  5. Step 5: Solve for x
    x = 131,241,272,542,068.48/12,799,729.60
  6. Step 6: Final answer
    x = 10,253,441.02

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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.