Home / 10,331,286.40-15,499,171.28-3,142,633.47

Finding the Fourth Proportional to 10,331,286.40, 15,499,171.28 and 3,142,633.47

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Solution

The fourth proportional to 10,331,286.40, 15,499,171.28 and 3,142,633.47 is: 4,714,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331,286.40 : 15,499,171.28 = 3,142,633.47 : x
  2. Step 2: Convert to fraction form
    10,331,286.40/15,499,171.28 = 3,142,633.47/x
  3. Step 3: Cross multiply
    10,331,286.40x = 15,499,171.28 × 3,142,633.47
  4. Step 4: Simplify right side
    10,331,286.40x = 48,708,214,421,790.74
  5. Step 5: Solve for x
    x = 48,708,214,421,790.74/10,331,286.40
  6. Step 6: Final answer
    x = 4,714,632.09

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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.