Home / 15,141,375.96-20,895,078.78-9,708,855

Finding the Fourth Proportional to 15,141,375.96, 20,895,078.78 and 9,708,855

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Solution

The fourth proportional to 15,141,375.96, 20,895,078.78 and 9,708,855 is: 13,398,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,375.96 : 20,895,078.78 = 9,708,855 : x
  2. Step 2: Convert to fraction form
    15,141,375.96/20,895,078.78 = 9,708,855/x
  3. Step 3: Cross multiply
    15,141,375.96x = 20,895,078.78 × 9,708,855
  4. Step 4: Simplify right side
    15,141,375.96x = 202,867,290,088,596.91
  5. Step 5: Solve for x
    x = 202,867,290,088,596.91/15,141,375.96
  6. Step 6: Final answer
    x = 13,398,207.05

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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.