Home / 9,172,842.96-12,658,531.42-5,042,944.38

Finding the Fourth Proportional to 9,172,842.96, 12,658,531.42 and 5,042,944.38

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Solution

The fourth proportional to 9,172,842.96, 12,658,531.42 and 5,042,944.38 is: 6,959,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,842.96 : 12,658,531.42 = 5,042,944.38 : x
  2. Step 2: Convert to fraction form
    9,172,842.96/12,658,531.42 = 5,042,944.38/x
  3. Step 3: Cross multiply
    9,172,842.96x = 12,658,531.42 × 5,042,944.38
  4. Step 4: Simplify right side
    9,172,842.96x = 63,836,269,883,542.41
  5. Step 5: Solve for x
    x = 63,836,269,883,542.41/9,172,842.96
  6. Step 6: Final answer
    x = 6,959,267.72

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1.5x scale

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.