Home / 7,992,003.80-11,988,005.70-7,220,624.60

Finding the Fourth Proportional to 7,992,003.80, 11,988,005.70 and 7,220,624.60

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Solution

The fourth proportional to 7,992,003.80, 11,988,005.70 and 7,220,624.60 is: 10,830,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,003.80 : 11,988,005.70 = 7,220,624.60 : x
  2. Step 2: Convert to fraction form
    7,992,003.80/11,988,005.70 = 7,220,624.60/x
  3. Step 3: Cross multiply
    7,992,003.80x = 11,988,005.70 × 7,220,624.60
  4. Step 4: Simplify right side
    7,992,003.80x = 86,560,888,862,360.20
  5. Step 5: Solve for x
    x = 86,560,888,862,360.20/7,992,003.80
  6. Step 6: Final answer
    x = 10,830,936.90

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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.