Home / 15,717,621.30-21,690,284.37-8,842,103.37

Finding the Fourth Proportional to 15,717,621.30, 21,690,284.37 and 8,842,103.37

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Solution

The fourth proportional to 15,717,621.30, 21,690,284.37 and 8,842,103.37 is: 12,202,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717,621.30 : 21,690,284.37 = 8,842,103.37 : x
  2. Step 2: Convert to fraction form
    15,717,621.30/21,690,284.37 = 8,842,103.37/x
  3. Step 3: Cross multiply
    15,717,621.30x = 21,690,284.37 × 8,842,103.37
  4. Step 4: Simplify right side
    15,717,621.30x = 191,787,736,524,235.31
  5. Step 5: Solve for x
    x = 191,787,736,524,235.31/15,717,621.30
  6. Step 6: Final answer
    x = 12,202,084.07

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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.