Home / 7,088,991.44-9,781,517.76-3,991,033.04

Finding the Fourth Proportional to 7,088,991.44, 9,781,517.76 and 3,991,033.04

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Solution

The fourth proportional to 7,088,991.44, 9,781,517.76 and 3,991,033.04 is: 5,506,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088,991.44 : 9,781,517.76 = 3,991,033.04 : x
  2. Step 2: Convert to fraction form
    7,088,991.44/9,781,517.76 = 3,991,033.04/x
  3. Step 3: Cross multiply
    7,088,991.44x = 9,781,517.76 × 3,991,033.04
  4. Step 4: Simplify right side
    7,088,991.44x = 39,038,360,561,506.79
  5. Step 5: Solve for x
    x = 39,038,360,561,506.79/7,088,991.44
  6. Step 6: Final answer
    x = 5,506,899.10

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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.