Home / 10,303,713.20-15,457,319.40-5,510,100.80

Finding the Fourth Proportional to 10,303,713.20, 15,457,319.40 and 5,510,100.80

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Solution

The fourth proportional to 10,303,713.20, 15,457,319.40 and 5,510,100.80 is: 8,266,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303,713.20 : 15,457,319.40 = 5,510,100.80 : x
  2. Step 2: Convert to fraction form
    10,303,713.20/15,457,319.40 = 5,510,100.80/x
  3. Step 3: Cross multiply
    10,303,713.20x = 15,457,319.40 × 5,510,100.80
  4. Step 4: Simplify right side
    10,303,713.20x = 85,171,387,991,795.52
  5. Step 5: Solve for x
    x = 85,171,387,991,795.52/10,303,713.20
  6. Step 6: Final answer
    x = 8,266,086.83

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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.