Home / 16,120,422.40-24,149,140.80-9,711,637.60

Finding the Fourth Proportional to 16,120,422.40, 24,149,140.80 and 9,711,637.60

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Solution

The fourth proportional to 16,120,422.40, 24,149,140.80 and 9,711,637.60 is: 14,548,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120,422.40 : 24,149,140.80 = 9,711,637.60 : x
  2. Step 2: Convert to fraction form
    16,120,422.40/24,149,140.80 = 9,711,637.60/x
  3. Step 3: Cross multiply
    16,120,422.40x = 24,149,140.80 × 9,711,637.60
  4. Step 4: Simplify right side
    16,120,422.40x = 234,527,703,800,974.09
  5. Step 5: Solve for x
    x = 234,527,703,800,974.09/16,120,422.40
  6. Step 6: Final answer
    x = 14,548,483.78

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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.