Home / 28,161,010.80-42,241,516.20-8,993,170.80

Finding the Fourth Proportional to 28,161,010.80, 42,241,516.20 and 8,993,170.80

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Solution

The fourth proportional to 28,161,010.80, 42,241,516.20 and 8,993,170.80 is: 13,489,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161,010.80 : 42,241,516.20 = 8,993,170.80 : x
  2. Step 2: Convert to fraction form
    28,161,010.80/42,241,516.20 = 8,993,170.80/x
  3. Step 3: Cross multiply
    28,161,010.80x = 42,241,516.20 × 8,993,170.80
  4. Step 4: Simplify right side
    28,161,010.80x = 379,885,170,037,567
  5. Step 5: Solve for x
    x = 379,885,170,037,567/28,161,010.80
  6. Step 6: Final answer
    x = 13,489,756.20

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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.