Home / 21,447,077.70-29,597,165.31-11,657,544.90

Finding the Fourth Proportional to 21,447,077.70, 29,597,165.31 and 11,657,544.90

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Solution

The fourth proportional to 21,447,077.70, 29,597,165.31 and 11,657,544.90 is: 16,087,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,077.70 : 29,597,165.31 = 11,657,544.90 : x
  2. Step 2: Convert to fraction form
    21,447,077.70/29,597,165.31 = 11,657,544.90/x
  3. Step 3: Cross multiply
    21,447,077.70x = 29,597,165.31 × 11,657,544.90
  4. Step 4: Simplify right side
    21,447,077.70x = 345,030,283,514,047.44
  5. Step 5: Solve for x
    x = 345,030,283,514,047.44/21,447,077.70
  6. Step 6: Final answer
    x = 16,087,519.63

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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.