Home / 20,362,215.16-28,091,905.92-11,655,734.92

Finding the Fourth Proportional to 20,362,215.16, 28,091,905.92 and 11,655,734.92

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Solution

The fourth proportional to 20,362,215.16, 28,091,905.92 and 11,655,734.92 is: 16,080,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,215.16 : 28,091,905.92 = 11,655,734.92 : x
  2. Step 2: Convert to fraction form
    20,362,215.16/28,091,905.92 = 11,655,734.92/x
  3. Step 3: Cross multiply
    20,362,215.16x = 28,091,905.92 × 11,655,734.92
  4. Step 4: Simplify right side
    20,362,215.16x = 327,431,808,801,098.75
  5. Step 5: Solve for x
    x = 327,431,808,801,098.75/20,362,215.16
  6. Step 6: Final answer
    x = 16,080,362.88

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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.