Home / 12,385,909.26-17,091,575.10-6,878,751.66

Finding the Fourth Proportional to 12,385,909.26, 17,091,575.10 and 6,878,751.66

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Solution

The fourth proportional to 12,385,909.26, 17,091,575.10 and 6,878,751.66 is: 9,492,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,909.26 : 17,091,575.10 = 6,878,751.66 : x
  2. Step 2: Convert to fraction form
    12,385,909.26/17,091,575.10 = 6,878,751.66/x
  3. Step 3: Cross multiply
    12,385,909.26x = 17,091,575.10 × 6,878,751.66
  4. Step 4: Simplify right side
    12,385,909.26x = 117,568,700,591,139.67
  5. Step 5: Solve for x
    x = 117,568,700,591,139.67/12,385,909.26
  6. Step 6: Final answer
    x = 9,492,133.21

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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.