Home / 12,253,301.60-18,379,952.40-7,718,338.40

Finding the Fourth Proportional to 12,253,301.60, 18,379,952.40 and 7,718,338.40

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Solution

The fourth proportional to 12,253,301.60, 18,379,952.40 and 7,718,338.40 is: 11,577,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,301.60 : 18,379,952.40 = 7,718,338.40 : x
  2. Step 2: Convert to fraction form
    12,253,301.60/18,379,952.40 = 7,718,338.40/x
  3. Step 3: Cross multiply
    12,253,301.60x = 18,379,952.40 × 7,718,338.40
  4. Step 4: Simplify right side
    12,253,301.60x = 141,862,692,399,092.16
  5. Step 5: Solve for x
    x = 141,862,692,399,092.16/12,253,301.60
  6. Step 6: Final answer
    x = 11,577,507.60

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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.