Home / 12,348,385.38-17,040,440.52-7,121,269.44

Finding the Fourth Proportional to 12,348,385.38, 17,040,440.52 and 7,121,269.44

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Solution

The fourth proportional to 12,348,385.38, 17,040,440.52 and 7,121,269.44 is: 9,827,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,385.38 : 17,040,440.52 = 7,121,269.44 : x
  2. Step 2: Convert to fraction form
    12,348,385.38/17,040,440.52 = 7,121,269.44/x
  3. Step 3: Cross multiply
    12,348,385.38x = 17,040,440.52 × 7,121,269.44
  4. Step 4: Simplify right side
    12,348,385.38x = 121,349,568,319,213.72
  5. Step 5: Solve for x
    x = 121,349,568,319,213.72/12,348,385.38
  6. Step 6: Final answer
    x = 9,827,160.77

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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.