Home / 21,538,446.72-29,723,246.34-11,748,934.44

Finding the Fourth Proportional to 21,538,446.72, 29,723,246.34 and 11,748,934.44

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Solution

The fourth proportional to 21,538,446.72, 29,723,246.34 and 11,748,934.44 is: 16,213,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538,446.72 : 29,723,246.34 = 11,748,934.44 : x
  2. Step 2: Convert to fraction form
    21,538,446.72/29,723,246.34 = 11,748,934.44/x
  3. Step 3: Cross multiply
    21,538,446.72x = 29,723,246.34 × 11,748,934.44
  4. Step 4: Simplify right side
    21,538,446.72x = 349,216,472,592,629.94
  5. Step 5: Solve for x
    x = 349,216,472,592,629.94/21,538,446.72
  6. Step 6: Final answer
    x = 16,213,633.10

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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.