Home / 10,708,801.20-14,765,659.56-7,987,823.28

Finding the Fourth Proportional to 10,708,801.20, 14,765,659.56 and 7,987,823.28

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Solution

The fourth proportional to 10,708,801.20, 14,765,659.56 and 7,987,823.28 is: 11,013,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708,801.20 : 14,765,659.56 = 7,987,823.28 : x
  2. Step 2: Convert to fraction form
    10,708,801.20/14,765,659.56 = 7,987,823.28/x
  3. Step 3: Cross multiply
    10,708,801.20x = 14,765,659.56 × 7,987,823.28
  4. Step 4: Simplify right side
    10,708,801.20x = 117,945,479,177,922.56
  5. Step 5: Solve for x
    x = 117,945,479,177,922.56/10,708,801.20
  6. Step 6: Final answer
    x = 11,013,882.60

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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.