Home / 13,149,474.09-18,145,406.60-7,566,818.43

Finding the Fourth Proportional to 13,149,474.09, 18,145,406.60 and 7,566,818.43

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Solution

The fourth proportional to 13,149,474.09, 18,145,406.60 and 7,566,818.43 is: 10,441,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,474.09 : 18,145,406.60 = 7,566,818.43 : x
  2. Step 2: Convert to fraction form
    13,149,474.09/18,145,406.60 = 7,566,818.43/x
  3. Step 3: Cross multiply
    13,149,474.09x = 18,145,406.60 × 7,566,818.43
  4. Step 4: Simplify right side
    13,149,474.09x = 137,302,997,139,310.38
  5. Step 5: Solve for x
    x = 137,302,997,139,310.38/13,149,474.09
  6. Step 6: Final answer
    x = 10,441,710.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.