Home / 15,151,833.40-20,904,343.38-8,623,827.88

Finding the Fourth Proportional to 15,151,833.40, 20,904,343.38 and 8,623,827.88

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Solution

The fourth proportional to 15,151,833.40, 20,904,343.38 and 8,623,827.88 is: 11,897,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151,833.40 : 20,904,343.38 = 8,623,827.88 : x
  2. Step 2: Convert to fraction form
    15,151,833.40/20,904,343.38 = 8,623,827.88/x
  3. Step 3: Cross multiply
    15,151,833.40x = 20,904,343.38 × 8,623,827.88
  4. Step 4: Simplify right side
    15,151,833.40x = 180,275,459,253,537.44
  5. Step 5: Solve for x
    x = 180,275,459,253,537.44/15,151,833.40
  6. Step 6: Final answer
    x = 11,897,930.40

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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.