Home / 12,427,005.71-17,149,658.24-6,845,657.03

Finding the Fourth Proportional to 12,427,005.71, 17,149,658.24 and 6,845,657.03

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Solution

The fourth proportional to 12,427,005.71, 17,149,658.24 and 6,845,657.03 is: 9,447,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,005.71 : 17,149,658.24 = 6,845,657.03 : x
  2. Step 2: Convert to fraction form
    12,427,005.71/17,149,658.24 = 6,845,657.03/x
  3. Step 3: Cross multiply
    12,427,005.71x = 17,149,658.24 × 6,845,657.03
  4. Step 4: Simplify right side
    12,427,005.71x = 117,400,678,372,776.86
  5. Step 5: Solve for x
    x = 117,400,678,372,776.86/12,427,005.71
  6. Step 6: Final answer
    x = 9,447,221.73

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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.