Home / 21,447,047.57-29,597,123.79-11,657,514.78

Finding the Fourth Proportional to 21,447,047.57, 29,597,123.79 and 11,657,514.78

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Solution

The fourth proportional to 21,447,047.57, 29,597,123.79 and 11,657,514.78 is: 16,087,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,047.57 : 29,597,123.79 = 11,657,514.78 : x
  2. Step 2: Convert to fraction form
    21,447,047.57/29,597,123.79 = 11,657,514.78/x
  3. Step 3: Cross multiply
    21,447,047.57x = 29,597,123.79 × 11,657,514.78
  4. Step 4: Simplify right side
    21,447,047.57x = 345,028,908,027,414.56
  5. Step 5: Solve for x
    x = 345,028,908,027,414.56/21,447,047.57
  6. Step 6: Final answer
    x = 16,087,478.10

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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.