Home / 10,721,765.20-16,082,647.80-8,895,182.80

Finding the Fourth Proportional to 10,721,765.20, 16,082,647.80 and 8,895,182.80

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Solution

The fourth proportional to 10,721,765.20, 16,082,647.80 and 8,895,182.80 is: 13,342,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,765.20 : 16,082,647.80 = 8,895,182.80 : x
  2. Step 2: Convert to fraction form
    10,721,765.20/16,082,647.80 = 8,895,182.80/x
  3. Step 3: Cross multiply
    10,721,765.20x = 16,082,647.80 × 8,895,182.80
  4. Step 4: Simplify right side
    10,721,765.20x = 143,058,092,089,017.84
  5. Step 5: Solve for x
    x = 143,058,092,089,017.84/10,721,765.20
  6. Step 6: Final answer
    x = 13,342,774.20

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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.