Home / 10,121,265.33-13,952,818.99-7,215,611.66

Finding the Fourth Proportional to 10,121,265.33, 13,952,818.99 and 7,215,611.66

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Solution

The fourth proportional to 10,121,265.33, 13,952,818.99 and 7,215,611.66 is: 9,947,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,265.33 : 13,952,818.99 = 7,215,611.66 : x
  2. Step 2: Convert to fraction form
    10,121,265.33/13,952,818.99 = 7,215,611.66/x
  3. Step 3: Cross multiply
    10,121,265.33x = 13,952,818.99 × 7,215,611.66
  4. Step 4: Simplify right side
    10,121,265.33x = 100,678,123,288,271.27
  5. Step 5: Solve for x
    x = 100,678,123,288,271.27/10,121,265.33
  6. Step 6: Final answer
    x = 9,947,187.44

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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.