Home / 7,984,889.10-11,982,254.40-3,192,078.60

Finding the Fourth Proportional to 7,984,889.10, 11,982,254.40 and 3,192,078.60

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Solution

The fourth proportional to 7,984,889.10, 11,982,254.40 and 3,192,078.60 is: 4,790,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,889.10 : 11,982,254.40 = 3,192,078.60 : x
  2. Step 2: Convert to fraction form
    7,984,889.10/11,982,254.40 = 3,192,078.60/x
  3. Step 3: Cross multiply
    7,984,889.10x = 11,982,254.40 × 3,192,078.60
  4. Step 4: Simplify right side
    7,984,889.10x = 38,248,297,849,995.84
  5. Step 5: Solve for x
    x = 38,248,297,849,995.84/7,984,889.10
  6. Step 6: Final answer
    x = 4,790,085.04

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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.