Home / 12,268,216.20-18,402,324.30-9,876,731.70

Finding the Fourth Proportional to 12,268,216.20, 18,402,324.30 and 9,876,731.70

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Solution

The fourth proportional to 12,268,216.20, 18,402,324.30 and 9,876,731.70 is: 14,815,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,216.20 : 18,402,324.30 = 9,876,731.70 : x
  2. Step 2: Convert to fraction form
    12,268,216.20/18,402,324.30 = 9,876,731.70/x
  3. Step 3: Cross multiply
    12,268,216.20x = 18,402,324.30 × 9,876,731.70
  4. Step 4: Simplify right side
    12,268,216.20x = 181,754,819,767,490.31
  5. Step 5: Solve for x
    x = 181,754,819,767,490.31/12,268,216.20
  6. Step 6: Final answer
    x = 14,815,097.55

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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.