Home / 13,514,885.28-18,635,596.56-8,612,341.38

Finding the Fourth Proportional to 13,514,885.28, 18,635,596.56 and 8,612,341.38

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Solution

The fourth proportional to 13,514,885.28, 18,635,596.56 and 8,612,341.38 is: 11,875,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,885.28 : 18,635,596.56 = 8,612,341.38 : x
  2. Step 2: Convert to fraction form
    13,514,885.28/18,635,596.56 = 8,612,341.38/x
  3. Step 3: Cross multiply
    13,514,885.28x = 18,635,596.56 × 8,612,341.38
  4. Step 4: Simplify right side
    13,514,885.28x = 160,496,119,394,673.66
  5. Step 5: Solve for x
    x = 160,496,119,394,673.66/13,514,885.28
  6. Step 6: Final answer
    x = 11,875,507.34

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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.