Home / 15,251,098.05-21,046,438.84-8,281,713.33

Finding the Fourth Proportional to 15,251,098.05, 21,046,438.84 and 8,281,713.33

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Solution

The fourth proportional to 15,251,098.05, 21,046,438.84 and 8,281,713.33 is: 11,428,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,098.05 : 21,046,438.84 = 8,281,713.33 : x
  2. Step 2: Convert to fraction form
    15,251,098.05/21,046,438.84 = 8,281,713.33/x
  3. Step 3: Cross multiply
    15,251,098.05x = 21,046,438.84 × 8,281,713.33
  4. Step 4: Simplify right side
    15,251,098.05x = 174,300,573,090,257.75
  5. Step 5: Solve for x
    x = 174,300,573,090,257.75/15,251,098.05
  6. Step 6: Final answer
    x = 11,428,722.87

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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.