Home / 11,869,685.20-17,804,527.80-7,759,874.80

Finding the Fourth Proportional to 11,869,685.20, 17,804,527.80 and 7,759,874.80

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Solution

The fourth proportional to 11,869,685.20, 17,804,527.80 and 7,759,874.80 is: 11,639,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,685.20 : 17,804,527.80 = 7,759,874.80 : x
  2. Step 2: Convert to fraction form
    11,869,685.20/17,804,527.80 = 7,759,874.80/x
  3. Step 3: Cross multiply
    11,869,685.20x = 17,804,527.80 × 7,759,874.80
  4. Step 4: Simplify right side
    11,869,685.20x = 138,160,906,601,119.44
  5. Step 5: Solve for x
    x = 138,160,906,601,119.44/11,869,685.20
  6. Step 6: Final answer
    x = 11,639,812.20

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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.