Home / 18,581,056.52-25,641,857.98-10,432,469.48

Finding the Fourth Proportional to 18,581,056.52, 25,641,857.98 and 10,432,469.48

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Solution

The fourth proportional to 18,581,056.52, 25,641,857.98 and 10,432,469.48 is: 14,396,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581,056.52 : 25,641,857.98 = 10,432,469.48 : x
  2. Step 2: Convert to fraction form
    18,581,056.52/25,641,857.98 = 10,432,469.48/x
  3. Step 3: Cross multiply
    18,581,056.52x = 25,641,857.98 × 10,432,469.48
  4. Step 4: Simplify right side
    18,581,056.52x = 267,507,900,786,844.47
  5. Step 5: Solve for x
    x = 267,507,900,786,844.47/18,581,056.52
  6. Step 6: Final answer
    x = 14,396,807.87

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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.