Home / 21,725,230.32-29,970,458.33-15,832,230.30

Finding the Fourth Proportional to 21,725,230.32, 29,970,458.33 and 15,832,230.30

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Solution

The fourth proportional to 21,725,230.32, 29,970,458.33 and 15,832,230.30 is: 21,840,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725,230.32 : 29,970,458.33 = 15,832,230.30 : x
  2. Step 2: Convert to fraction form
    21,725,230.32/29,970,458.33 = 15,832,230.30/x
  3. Step 3: Cross multiply
    21,725,230.32x = 29,970,458.33 × 15,832,230.30
  4. Step 4: Simplify right side
    21,725,230.32x = 474,499,198,397,952.25
  5. Step 5: Solve for x
    x = 474,499,198,397,952.25/21,725,230.32
  6. Step 6: Final answer
    x = 21,840,928.33

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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.