Home / 21,408,751.78-29,544,290.13-11,619,282.94

Finding the Fourth Proportional to 21,408,751.78, 29,544,290.13 and 11,619,282.94

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Solution

The fourth proportional to 21,408,751.78, 29,544,290.13 and 11,619,282.94 is: 16,034,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408,751.78 : 29,544,290.13 = 11,619,282.94 : x
  2. Step 2: Convert to fraction form
    21,408,751.78/29,544,290.13 = 11,619,282.94/x
  3. Step 3: Cross multiply
    21,408,751.78x = 29,544,290.13 × 11,619,282.94
  4. Step 4: Simplify right side
    21,408,751.78x = 343,283,466,281,919.38
  5. Step 5: Solve for x
    x = 343,283,466,281,919.38/21,408,751.78
  6. Step 6: Final answer
    x = 16,034,725.88

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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.