Home / 14,969,228.16-20,657,414.52-8,690,338.10

Finding the Fourth Proportional to 14,969,228.16, 20,657,414.52 and 8,690,338.10

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Solution

The fourth proportional to 14,969,228.16, 20,657,414.52 and 8,690,338.10 is: 11,992,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,228.16 : 20,657,414.52 = 8,690,338.10 : x
  2. Step 2: Convert to fraction form
    14,969,228.16/20,657,414.52 = 8,690,338.10/x
  3. Step 3: Cross multiply
    14,969,228.16x = 20,657,414.52 × 8,690,338.10
  4. Step 4: Simplify right side
    14,969,228.16x = 179,519,916,450,649.19
  5. Step 5: Solve for x
    x = 179,519,916,450,649.19/14,969,228.16
  6. Step 6: Final answer
    x = 11,992,596.71

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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.