Home / 12,867,882.44-17,753,237.48-8,224,385.72

Finding the Fourth Proportional to 12,867,882.44, 17,753,237.48 and 8,224,385.72

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Solution

The fourth proportional to 12,867,882.44, 17,753,237.48 and 8,224,385.72 is: 11,346,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867,882.44 : 17,753,237.48 = 8,224,385.72 : x
  2. Step 2: Convert to fraction form
    12,867,882.44/17,753,237.48 = 8,224,385.72/x
  3. Step 3: Cross multiply
    12,867,882.44x = 17,753,237.48 × 8,224,385.72
  4. Step 4: Simplify right side
    12,867,882.44x = 146,009,472,814,280.78
  5. Step 5: Solve for x
    x = 146,009,472,814,280.78/12,867,882.44
  6. Step 6: Final answer
    x = 11,346,814.33

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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.