Home / 12,857,117.20-19,272,067.80-4,764,893.20

Finding the Fourth Proportional to 12,857,117.20, 19,272,067.80 and 4,764,893.20

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Solution

The fourth proportional to 12,857,117.20, 19,272,067.80 and 4,764,893.20 is: 7,142,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,117.20 : 19,272,067.80 = 4,764,893.20 : x
  2. Step 2: Convert to fraction form
    12,857,117.20/19,272,067.80 = 4,764,893.20/x
  3. Step 3: Cross multiply
    12,857,117.20x = 19,272,067.80 × 4,764,893.20
  4. Step 4: Simplify right side
    12,857,117.20x = 91,829,344,810,158.97
  5. Step 5: Solve for x
    x = 91,829,344,810,158.97/12,857,117.20
  6. Step 6: Final answer
    x = 7,142,296.63

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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.