Home / 12,239,228.80-18,358,843.20-10,916,531.20

Finding the Fourth Proportional to 12,239,228.80, 18,358,843.20 and 10,916,531.20

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Solution

The fourth proportional to 12,239,228.80, 18,358,843.20 and 10,916,531.20 is: 16,374,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,228.80 : 18,358,843.20 = 10,916,531.20 : x
  2. Step 2: Convert to fraction form
    12,239,228.80/18,358,843.20 = 10,916,531.20/x
  3. Step 3: Cross multiply
    12,239,228.80x = 18,358,843.20 × 10,916,531.20
  4. Step 4: Simplify right side
    12,239,228.80x = 200,414,884,588,707.81
  5. Step 5: Solve for x
    x = 200,414,884,588,707.81/12,239,228.80
  6. Step 6: Final answer
    x = 16,374,796.80

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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.