Home / 25,561,810.82-38,361,759.34-18,755,970.78

Finding the Fourth Proportional to 25,561,810.82, 38,361,759.34 and 18,755,970.78

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Solution

The fourth proportional to 25,561,810.82, 38,361,759.34 and 18,755,970.78 is: 28,147,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561,810.82 : 38,361,759.34 = 18,755,970.78 : x
  2. Step 2: Convert to fraction form
    25,561,810.82/38,361,759.34 = 18,755,970.78/x
  3. Step 3: Cross multiply
    25,561,810.82x = 38,361,759.34 × 18,755,970.78
  4. Step 4: Simplify right side
    25,561,810.82x = 719,512,037,250,432.25
  5. Step 5: Solve for x
    x = 719,512,037,250,432.25/25,561,810.82
  6. Step 6: Final answer
    x = 28,147,929.05

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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.