Home / 12,319,679.40-18,458,523.90-10,514,092.20

Finding the Fourth Proportional to 12,319,679.40, 18,458,523.90 and 10,514,092.20

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Solution

The fourth proportional to 12,319,679.40, 18,458,523.90 and 10,514,092.20 is: 15,753,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319,679.40 : 18,458,523.90 = 10,514,092.20 : x
  2. Step 2: Convert to fraction form
    12,319,679.40/18,458,523.90 = 10,514,092.20/x
  3. Step 3: Cross multiply
    12,319,679.40x = 18,458,523.90 × 10,514,092.20
  4. Step 4: Simplify right side
    12,319,679.40x = 194,074,622,160,503.56
  5. Step 5: Solve for x
    x = 194,074,622,160,503.56/12,319,679.40
  6. Step 6: Final answer
    x = 15,753,220.18

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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.