Home / 8,353,040.80-12,529,561.20-5,147,773.60

Finding the Fourth Proportional to 8,353,040.80, 12,529,561.20 and 5,147,773.60

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Solution

The fourth proportional to 8,353,040.80, 12,529,561.20 and 5,147,773.60 is: 7,721,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,040.80 : 12,529,561.20 = 5,147,773.60 : x
  2. Step 2: Convert to fraction form
    8,353,040.80/12,529,561.20 = 5,147,773.60/x
  3. Step 3: Cross multiply
    8,353,040.80x = 12,529,561.20 × 5,147,773.60
  4. Step 4: Simplify right side
    8,353,040.80x = 64,499,344,364,944.31
  5. Step 5: Solve for x
    x = 64,499,344,364,944.31/8,353,040.80
  6. Step 6: Final answer
    x = 7,721,660.40

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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.