Home / 28,431,010.80-42,646,516.20-16,951,885.20

Finding the Fourth Proportional to 28,431,010.80, 42,646,516.20 and 16,951,885.20

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Solution

The fourth proportional to 28,431,010.80, 42,646,516.20 and 16,951,885.20 is: 25,427,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,010.80 : 42,646,516.20 = 16,951,885.20 : x
  2. Step 2: Convert to fraction form
    28,431,010.80/42,646,516.20 = 16,951,885.20/x
  3. Step 3: Cross multiply
    28,431,010.80x = 42,646,516.20 × 16,951,885.20
  4. Step 4: Simplify right side
    28,431,010.80x = 722,938,846,802,340.25
  5. Step 5: Solve for x
    x = 722,938,846,802,340.25/28,431,010.80
  6. Step 6: Final answer
    x = 25,427,827.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.