Home / 25,760,003.70-38,640,005.55-18,201,731.70

Finding the Fourth Proportional to 25,760,003.70, 38,640,005.55 and 18,201,731.70

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Solution

The fourth proportional to 25,760,003.70, 38,640,005.55 and 18,201,731.70 is: 27,302,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760,003.70 : 38,640,005.55 = 18,201,731.70 : x
  2. Step 2: Convert to fraction form
    25,760,003.70/38,640,005.55 = 18,201,731.70/x
  3. Step 3: Cross multiply
    25,760,003.70x = 38,640,005.55 × 18,201,731.70
  4. Step 4: Simplify right side
    25,760,003.70x = 703,315,013,907,610.88
  5. Step 5: Solve for x
    x = 703,315,013,907,610.88/25,760,003.70
  6. Step 6: Final answer
    x = 27,302,597.55

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1.5x scale

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.