Home / 15,292,610.80-21,103,640.58-8,416,945.24

Finding the Fourth Proportional to 15,292,610.80, 21,103,640.58 and 8,416,945.24

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Solution

The fourth proportional to 15,292,610.80, 21,103,640.58 and 8,416,945.24 is: 11,615,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292,610.80 : 21,103,640.58 = 8,416,945.24 : x
  2. Step 2: Convert to fraction form
    15,292,610.80/21,103,640.58 = 8,416,945.24/x
  3. Step 3: Cross multiply
    15,292,610.80x = 21,103,640.58 × 8,416,945.24
  4. Step 4: Simplify right side
    15,292,610.80x = 177,628,187,126,501.84
  5. Step 5: Solve for x
    x = 177,628,187,126,501.84/15,292,610.80
  6. Step 6: Final answer
    x = 11,615,295.09

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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.