Home / 10,187,909.28-15,281,863.92-6,983,320.32

Finding the Fourth Proportional to 10,187,909.28, 15,281,863.92 and 6,983,320.32

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Solution

The fourth proportional to 10,187,909.28, 15,281,863.92 and 6,983,320.32 is: 10,474,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187,909.28 : 15,281,863.92 = 6,983,320.32 : x
  2. Step 2: Convert to fraction form
    10,187,909.28/15,281,863.92 = 6,983,320.32/x
  3. Step 3: Cross multiply
    10,187,909.28x = 15,281,863.92 × 6,983,320.32
  4. Step 4: Simplify right side
    10,187,909.28x = 106,718,150,840,010.86
  5. Step 5: Solve for x
    x = 106,718,150,840,010.86/10,187,909.28
  6. Step 6: Final answer
    x = 10,474,980.48

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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.