Home / 7,146,862.48-9,863,998.84-4,091,076.76

Finding the Fourth Proportional to 7,146,862.48, 9,863,998.84 and 4,091,076.76

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Solution

The fourth proportional to 7,146,862.48, 9,863,998.84 and 4,091,076.76 is: 5,646,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,862.48 : 9,863,998.84 = 4,091,076.76 : x
  2. Step 2: Convert to fraction form
    7,146,862.48/9,863,998.84 = 4,091,076.76/x
  3. Step 3: Cross multiply
    7,146,862.48x = 9,863,998.84 × 4,091,076.76
  4. Step 4: Simplify right side
    7,146,862.48x = 40,354,376,414,990.95
  5. Step 5: Solve for x
    x = 40,354,376,414,990.95/7,146,862.48
  6. Step 6: Final answer
    x = 5,646,446.47

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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.