Home / 13,514,637.38-18,635,255.69-8,612,094.15

Finding the Fourth Proportional to 13,514,637.38, 18,635,255.69 and 8,612,094.15

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Solution

The fourth proportional to 13,514,637.38, 18,635,255.69 and 8,612,094.15 is: 11,875,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,637.38 : 18,635,255.69 = 8,612,094.15 : x
  2. Step 2: Convert to fraction form
    13,514,637.38/18,635,255.69 = 8,612,094.15/x
  3. Step 3: Cross multiply
    13,514,637.38x = 18,635,255.69 × 8,612,094.15
  4. Step 4: Simplify right side
    13,514,637.38x = 160,488,576,468,542.75
  5. Step 5: Solve for x
    x = 160,488,576,468,542.75/13,514,637.38
  6. Step 6: Final answer
    x = 11,875,167.05

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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.