Home / 12,486,153.50-17,230,761.61-7,328,518.59

Finding the Fourth Proportional to 12,486,153.50, 17,230,761.61 and 7,328,518.59

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Solution

The fourth proportional to 12,486,153.50, 17,230,761.61 and 7,328,518.59 is: 10,113,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486,153.50 : 17,230,761.61 = 7,328,518.59 : x
  2. Step 2: Convert to fraction form
    12,486,153.50/17,230,761.61 = 7,328,518.59/x
  3. Step 3: Cross multiply
    12,486,153.50x = 17,230,761.61 × 7,328,518.59
  4. Step 4: Simplify right side
    12,486,153.50x = 126,275,956,778,743.33
  5. Step 5: Solve for x
    x = 126,275,956,778,743.33/12,486,153.50
  6. Step 6: Final answer
    x = 10,113,279.22

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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.