Home / 15,421,419.45-21,281,682.11-8,546,015.61

Finding the Fourth Proportional to 15,421,419.45, 21,281,682.11 and 8,546,015.61

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Solution

The fourth proportional to 15,421,419.45, 21,281,682.11 and 8,546,015.61 is: 11,793,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,419.45 : 21,281,682.11 = 8,546,015.61 : x
  2. Step 2: Convert to fraction form
    15,421,419.45/21,281,682.11 = 8,546,015.61/x
  3. Step 3: Cross multiply
    15,421,419.45x = 21,281,682.11 × 8,546,015.61
  4. Step 4: Simplify right side
    15,421,419.45x = 181,873,587,476,387.66
  5. Step 5: Solve for x
    x = 181,873,587,476,387.66/15,421,419.45
  6. Step 6: Final answer
    x = 11,793,569.85

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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.