Home / 13,295,115.20-19,942,672.80-8,508,209.60

Finding the Fourth Proportional to 13,295,115.20, 19,942,672.80 and 8,508,209.60

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Solution

The fourth proportional to 13,295,115.20, 19,942,672.80 and 8,508,209.60 is: 12,762,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,115.20 : 19,942,672.80 = 8,508,209.60 : x
  2. Step 2: Convert to fraction form
    13,295,115.20/19,942,672.80 = 8,508,209.60/x
  3. Step 3: Cross multiply
    13,295,115.20x = 19,942,672.80 × 8,508,209.60
  4. Step 4: Simplify right side
    13,295,115.20x = 169,676,440,166,618.88
  5. Step 5: Solve for x
    x = 169,676,440,166,618.88/13,295,115.20
  6. Step 6: Final answer
    x = 12,762,314.40

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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.