Home / 28,632,863.52-39,512,765.28-15,580,380.96

Finding the Fourth Proportional to 28,632,863.52, 39,512,765.28 and 15,580,380.96

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Solution

The fourth proportional to 28,632,863.52, 39,512,765.28 and 15,580,380.96 is: 21,500,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632,863.52 : 39,512,765.28 = 15,580,380.96 : x
  2. Step 2: Convert to fraction form
    28,632,863.52/39,512,765.28 = 15,580,380.96/x
  3. Step 3: Cross multiply
    28,632,863.52x = 39,512,765.28 × 15,580,380.96
  4. Step 4: Simplify right side
    28,632,863.52x = 615,623,935,845,461.12
  5. Step 5: Solve for x
    x = 615,623,935,845,461.12/28,632,863.52
  6. Step 6: Final answer
    x = 21,500,606.65

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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.