Home / 13,438,240.12-20,157,434.18-3,340,861.12

Finding the Fourth Proportional to 13,438,240.12, 20,157,434.18 and 3,340,861.12

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Solution

The fourth proportional to 13,438,240.12, 20,157,434.18 and 3,340,861.12 is: 5,011,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,240.12 : 20,157,434.18 = 3,340,861.12 : x
  2. Step 2: Convert to fraction form
    13,438,240.12/20,157,434.18 = 3,340,861.12/x
  3. Step 3: Cross multiply
    13,438,240.12x = 20,157,434.18 × 3,340,861.12
  4. Step 4: Simplify right side
    13,438,240.12x = 67,343,188,130,921.09
  5. Step 5: Solve for x
    x = 67,343,188,130,921.09/13,438,240.12
  6. Step 6: Final answer
    x = 5,011,310.08

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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.