Home / 18,251,920.64-25,187,650.98-10,103,158.64

Finding the Fourth Proportional to 18,251,920.64, 25,187,650.98 and 10,103,158.64

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Solution

The fourth proportional to 18,251,920.64, 25,187,650.98 and 10,103,158.64 is: 13,942,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251,920.64 : 25,187,650.98 = 10,103,158.64 : x
  2. Step 2: Convert to fraction form
    18,251,920.64/25,187,650.98 = 10,103,158.64/x
  3. Step 3: Cross multiply
    18,251,920.64x = 25,187,650.98 × 10,103,158.64
  4. Step 4: Simplify right side
    18,251,920.64x = 254,474,833,619,891.50
  5. Step 5: Solve for x
    x = 254,474,833,619,891.50/18,251,920.64
  6. Step 6: Final answer
    x = 13,942,359.20

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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.