Home / 10,385,588.07-15,564,456.80-8,082,861.60

Finding the Fourth Proportional to 10,385,588.07, 15,564,456.80 and 8,082,861.60

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Solution

The fourth proportional to 10,385,588.07, 15,564,456.80 and 8,082,861.60 is: 12,113,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,588.07 : 15,564,456.80 = 8,082,861.60 : x
  2. Step 2: Convert to fraction form
    10,385,588.07/15,564,456.80 = 8,082,861.60/x
  3. Step 3: Cross multiply
    10,385,588.07x = 15,564,456.80 × 8,082,861.60
  4. Step 4: Simplify right side
    10,385,588.07x = 125,805,350,153,164.56
  5. Step 5: Solve for x
    x = 125,805,350,153,164.56/10,385,588.07
  6. Step 6: Final answer
    x = 12,113,454.66

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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.