Home / 18,217,374.28-25,139,289.40-9,957,366.88

Finding the Fourth Proportional to 18,217,374.28, 25,139,289.40 and 9,957,366.88

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Solution

The fourth proportional to 18,217,374.28, 25,139,289.40 and 9,957,366.88 is: 13,740,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,374.28 : 25,139,289.40 = 9,957,366.88 : x
  2. Step 2: Convert to fraction form
    18,217,374.28/25,139,289.40 = 9,957,366.88/x
  3. Step 3: Cross multiply
    18,217,374.28x = 25,139,289.40 × 9,957,366.88
  4. Step 4: Simplify right side
    18,217,374.28x = 250,321,127,658,295.06
  5. Step 5: Solve for x
    x = 250,321,127,658,295.06/18,217,374.28
  6. Step 6: Final answer
    x = 13,740,790.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.