Home / 12,472,012.80-18,708,019.20-9,044,218.35

Finding the Fourth Proportional to 12,472,012.80, 18,708,019.20 and 9,044,218.35

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Solution

The fourth proportional to 12,472,012.80, 18,708,019.20 and 9,044,218.35 is: 13,566,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,012.80 : 18,708,019.20 = 9,044,218.35 : x
  2. Step 2: Convert to fraction form
    12,472,012.80/18,708,019.20 = 9,044,218.35/x
  3. Step 3: Cross multiply
    12,472,012.80x = 18,708,019.20 × 9,044,218.35
  4. Step 4: Simplify right side
    12,472,012.80x = 169,199,410,540,792.31
  5. Step 5: Solve for x
    x = 169,199,410,540,792.31/12,472,012.80
  6. Step 6: Final answer
    x = 13,566,327.53

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Similar ratio
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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.