Home / 15,357,902.94-21,192,093.18-8,481,974.94

Finding the Fourth Proportional to 15,357,902.94, 21,192,093.18 and 8,481,974.94

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Solution

The fourth proportional to 15,357,902.94, 21,192,093.18 and 8,481,974.94 is: 11,704,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357,902.94 : 21,192,093.18 = 8,481,974.94 : x
  2. Step 2: Convert to fraction form
    15,357,902.94/21,192,093.18 = 8,481,974.94/x
  3. Step 3: Cross multiply
    15,357,902.94x = 21,192,093.18 × 8,481,974.94
  4. Step 4: Simplify right side
    15,357,902.94x = 179,750,803,278,904.91
  5. Step 5: Solve for x
    x = 179,750,803,278,904.91/15,357,902.94
  6. Step 6: Final answer
    x = 11,704,124.19

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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.