Home / 21,408,305.52-29,543,682.40-11,618,834.24

Finding the Fourth Proportional to 21,408,305.52, 29,543,682.40 and 11,618,834.24

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Solution

The fourth proportional to 21,408,305.52, 29,543,682.40 and 11,618,834.24 is: 16,034,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408,305.52 : 29,543,682.40 = 11,618,834.24 : x
  2. Step 2: Convert to fraction form
    21,408,305.52/29,543,682.40 = 11,618,834.24/x
  3. Step 3: Cross multiply
    21,408,305.52x = 29,543,682.40 × 11,618,834.24
  4. Step 4: Simplify right side
    21,408,305.52x = 343,263,148,644,805.38
  5. Step 5: Solve for x
    x = 343,263,148,644,805.38/21,408,305.52
  6. Step 6: Final answer
    x = 16,034,111.08

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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.