Home / 10,918,112.32-16,391,359.68-8,395,538.56

Finding the Fourth Proportional to 10,918,112.32, 16,391,359.68 and 8,395,538.56

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Solution

The fourth proportional to 10,918,112.32, 16,391,359.68 and 8,395,538.56 is: 12,604,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918,112.32 : 16,391,359.68 = 8,395,538.56 : x
  2. Step 2: Convert to fraction form
    10,918,112.32/16,391,359.68 = 8,395,538.56/x
  3. Step 3: Cross multiply
    10,918,112.32x = 16,391,359.68 × 8,395,538.56
  4. Step 4: Simplify right side
    10,918,112.32x = 137,614,292,244,269.27
  5. Step 5: Solve for x
    x = 137,614,292,244,269.27/10,918,112.32
  6. Step 6: Final answer
    x = 12,604,220.24

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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.