Home / 13,149,103.80-19,723,655.70-8,614,140.60

Finding the Fourth Proportional to 13,149,103.80, 19,723,655.70 and 8,614,140.60

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Solution

The fourth proportional to 13,149,103.80, 19,723,655.70 and 8,614,140.60 is: 12,921,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,103.80 : 19,723,655.70 = 8,614,140.60 : x
  2. Step 2: Convert to fraction form
    13,149,103.80/19,723,655.70 = 8,614,140.60/x
  3. Step 3: Cross multiply
    13,149,103.80x = 19,723,655.70 × 8,614,140.60
  4. Step 4: Simplify right side
    13,149,103.80x = 169,902,343,345,791.41
  5. Step 5: Solve for x
    x = 169,902,343,345,791.41/13,149,103.80
  6. Step 6: Final answer
    x = 12,921,210.90

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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.