Home / 11,790,691.20-17,686,036.80-4,218,249.60

Finding the Fourth Proportional to 11,790,691.20, 17,686,036.80 and 4,218,249.60

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Solution

The fourth proportional to 11,790,691.20, 17,686,036.80 and 4,218,249.60 is: 6,327,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790,691.20 : 17,686,036.80 = 4,218,249.60 : x
  2. Step 2: Convert to fraction form
    11,790,691.20/17,686,036.80 = 4,218,249.60/x
  3. Step 3: Cross multiply
    11,790,691.20x = 17,686,036.80 × 4,218,249.60
  4. Step 4: Simplify right side
    11,790,691.20x = 74,604,117,657,185.28
  5. Step 5: Solve for x
    x = 74,604,117,657,185.28/11,790,691.20
  6. Step 6: Final answer
    x = 6,327,374.40

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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.