Home / 10,890,016.80-16,335,025.20-10,039,711.20

Finding the Fourth Proportional to 10,890,016.80, 16,335,025.20 and 10,039,711.20

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Solution

The fourth proportional to 10,890,016.80, 16,335,025.20 and 10,039,711.20 is: 15,059,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,016.80 : 16,335,025.20 = 10,039,711.20 : x
  2. Step 2: Convert to fraction form
    10,890,016.80/16,335,025.20 = 10,039,711.20/x
  3. Step 3: Cross multiply
    10,890,016.80x = 16,335,025.20 × 10,039,711.20
  4. Step 4: Simplify right side
    10,890,016.80x = 163,998,935,452,722.22
  5. Step 5: Solve for x
    x = 163,998,935,452,722.22/10,890,016.80
  6. Step 6: Final answer
    x = 15,059,566.80

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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.