Home / 15,374,178.27-21,215,355.03-8,846,754.21

Finding the Fourth Proportional to 15,374,178.27, 21,215,355.03 and 8,846,754.21

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Solution

The fourth proportional to 15,374,178.27, 21,215,355.03 and 8,846,754.21 is: 12,207,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,178.27 : 21,215,355.03 = 8,846,754.21 : x
  2. Step 2: Convert to fraction form
    15,374,178.27/21,215,355.03 = 8,846,754.21/x
  3. Step 3: Cross multiply
    15,374,178.27x = 21,215,355.03 × 8,846,754.21
  4. Step 4: Simplify right side
    15,374,178.27x = 187,687,031,428,297.22
  5. Step 5: Solve for x
    x = 187,687,031,428,297.22/15,374,178.27
  6. Step 6: Final answer
    x = 12,207,939.06

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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.