Home / 10,390,836.30-15,586,254.45-3,201,729.90

Finding the Fourth Proportional to 10,390,836.30, 15,586,254.45 and 3,201,729.90

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Solution

The fourth proportional to 10,390,836.30, 15,586,254.45 and 3,201,729.90 is: 4,802,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390,836.30 : 15,586,254.45 = 3,201,729.90 : x
  2. Step 2: Convert to fraction form
    10,390,836.30/15,586,254.45 = 3,201,729.90/x
  3. Step 3: Cross multiply
    10,390,836.30x = 15,586,254.45 × 3,201,729.90
  4. Step 4: Simplify right side
    10,390,836.30x = 49,902,976,901,573.05
  5. Step 5: Solve for x
    x = 49,902,976,901,573.05/10,390,836.30
  6. Step 6: Final answer
    x = 4,802,594.85

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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.