Home / 13,608,045.23-20,412,067.84-9,781,670.03

Finding the Fourth Proportional to 13,608,045.23, 20,412,067.84 and 9,781,670.03

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Solution

The fourth proportional to 13,608,045.23, 20,412,067.84 and 9,781,670.03 is: 14,672,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,045.23 : 20,412,067.84 = 9,781,670.03 : x
  2. Step 2: Convert to fraction form
    13,608,045.23/20,412,067.84 = 9,781,670.03/x
  3. Step 3: Cross multiply
    13,608,045.23x = 20,412,067.84 × 9,781,670.03
  4. Step 4: Simplify right side
    13,608,045.23x = 199,664,112,114,340.31
  5. Step 5: Solve for x
    x = 199,664,112,114,340.31/13,608,045.23
  6. Step 6: Final answer
    x = 14,672,505.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.