Home / 12,344,953.26-17,041,942.80-8,221,845.90

Finding the Fourth Proportional to 12,344,953.26, 17,041,942.80 and 8,221,845.90

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Solution

The fourth proportional to 12,344,953.26, 17,041,942.80 and 8,221,845.90 is: 11,350,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344,953.26 : 17,041,942.80 = 8,221,845.90 : x
  2. Step 2: Convert to fraction form
    12,344,953.26/17,041,942.80 = 8,221,845.90/x
  3. Step 3: Cross multiply
    12,344,953.26x = 17,041,942.80 × 8,221,845.90
  4. Step 4: Simplify right side
    12,344,953.26x = 140,116,227,538,214.53
  5. Step 5: Solve for x
    x = 140,116,227,538,214.53/12,344,953.26
  6. Step 6: Final answer
    x = 11,350,081.66

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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.