Home / 12,384,966.40-18,577,449.60-9,834,049.60

Finding the Fourth Proportional to 12,384,966.40, 18,577,449.60 and 9,834,049.60

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Solution

The fourth proportional to 12,384,966.40, 18,577,449.60 and 9,834,049.60 is: 14,751,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,966.40 : 18,577,449.60 = 9,834,049.60 : x
  2. Step 2: Convert to fraction form
    12,384,966.40/18,577,449.60 = 9,834,049.60/x
  3. Step 3: Cross multiply
    12,384,966.40x = 18,577,449.60 × 9,834,049.60
  4. Step 4: Simplify right side
    12,384,966.40x = 182,691,560,807,900.16
  5. Step 5: Solve for x
    x = 182,691,560,807,900.16/12,384,966.40
  6. Step 6: Final answer
    x = 14,751,074.40

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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.