Home / 7,851,878.58-11,777,799.96-2,460,939.78

Finding the Fourth Proportional to 7,851,878.58, 11,777,799.96 and 2,460,939.78

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Solution

The fourth proportional to 7,851,878.58, 11,777,799.96 and 2,460,939.78 is: 3,691,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851,878.58 : 11,777,799.96 = 2,460,939.78 : x
  2. Step 2: Convert to fraction form
    7,851,878.58/11,777,799.96 = 2,460,939.78/x
  3. Step 3: Cross multiply
    7,851,878.58x = 11,777,799.96 × 2,460,939.78
  4. Step 4: Simplify right side
    7,851,878.58x = 28,984,456,442,446.41
  5. Step 5: Solve for x
    x = 28,984,456,442,446.41/7,851,878.58
  6. Step 6: Final answer
    x = 3,691,404.06

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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.