Home / 20,659,098.60-30,987,335.70-7,012,218.60

Finding the Fourth Proportional to 20,659,098.60, 30,987,335.70 and 7,012,218.60

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Solution

The fourth proportional to 20,659,098.60, 30,987,335.70 and 7,012,218.60 is: 10,517,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,098.60 : 30,987,335.70 = 7,012,218.60 : x
  2. Step 2: Convert to fraction form
    20,659,098.60/30,987,335.70 = 7,012,218.60/x
  3. Step 3: Cross multiply
    20,659,098.60x = 30,987,335.70 × 7,012,218.60
  4. Step 4: Simplify right side
    20,659,098.60x = 217,289,971,759,984
  5. Step 5: Solve for x
    x = 217,289,971,759,984/20,659,098.60
  6. Step 6: Final answer
    x = 10,517,882.51

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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.