Home / 10,721,759.20-16,082,638.80-8,895,176.80

Finding the Fourth Proportional to 10,721,759.20, 16,082,638.80 and 8,895,176.80

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Solution

The fourth proportional to 10,721,759.20, 16,082,638.80 and 8,895,176.80 is: 13,342,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,759.20 : 16,082,638.80 = 8,895,176.80 : x
  2. Step 2: Convert to fraction form
    10,721,759.20/16,082,638.80 = 8,895,176.80/x
  3. Step 3: Cross multiply
    10,721,759.20x = 16,082,638.80 × 8,895,176.80
  4. Step 4: Simplify right side
    10,721,759.20x = 143,057,915,536,539.84
  5. Step 5: Solve for x
    x = 143,057,915,536,539.84/10,721,759.20
  6. Step 6: Final answer
    x = 13,342,765.20

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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.