Home / 25,904,767-35,715,348.64-21,241,370.20

Finding the Fourth Proportional to 25,904,767, 35,715,348.64 and 21,241,370.20

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Solution

The fourth proportional to 25,904,767, 35,715,348.64 and 21,241,370.20 is: 29,285,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,904,767 : 35,715,348.64 = 21,241,370.20 : x
  2. Step 2: Convert to fraction form
    25,904,767/35,715,348.64 = 21,241,370.20/x
  3. Step 3: Cross multiply
    25,904,767x = 35,715,348.64 × 21,241,370.20
  4. Step 4: Simplify right side
    25,904,767x = 758,642,942,284,306.50
  5. Step 5: Solve for x
    x = 758,642,942,284,306.50/25,904,767
  6. Step 6: Final answer
    x = 29,285,843.11

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1.5x scale

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.