Home / 10,145,879.97-15,202,865.79-7,845,987.03

Finding the Fourth Proportional to 10,145,879.97, 15,202,865.79 and 7,845,987.03

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Solution

The fourth proportional to 10,145,879.97, 15,202,865.79 and 7,845,987.03 is: 11,756,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145,879.97 : 15,202,865.79 = 7,845,987.03 : x
  2. Step 2: Convert to fraction form
    10,145,879.97/15,202,865.79 = 7,845,987.03/x
  3. Step 3: Cross multiply
    10,145,879.97x = 15,202,865.79 × 7,845,987.03
  4. Step 4: Simplify right side
    10,145,879.97x = 119,281,487,807,170.70
  5. Step 5: Solve for x
    x = 119,281,487,807,170.70/10,145,879.97
  6. Step 6: Final answer
    x = 11,756,642.91

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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.