Home / 21,493,350.54-29,653,034.31-12,195,535.05

Finding the Fourth Proportional to 21,493,350.54, 29,653,034.31 and 12,195,535.05

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Solution

The fourth proportional to 21,493,350.54, 29,653,034.31 and 12,195,535.05 is: 16,825,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,350.54 : 29,653,034.31 = 12,195,535.05 : x
  2. Step 2: Convert to fraction form
    21,493,350.54/29,653,034.31 = 12,195,535.05/x
  3. Step 3: Cross multiply
    21,493,350.54x = 29,653,034.31 × 12,195,535.05
  4. Step 4: Simplify right side
    21,493,350.54x = 361,634,619,266,457.56
  5. Step 5: Solve for x
    x = 361,634,619,266,457.56/21,493,350.54
  6. Step 6: Final answer
    x = 16,825,418.57

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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.