Home / 12,677,983.68-17,495,514-6,876,750.72

Finding the Fourth Proportional to 12,677,983.68, 17,495,514 and 6,876,750.72

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Solution

The fourth proportional to 12,677,983.68, 17,495,514 and 6,876,750.72 is: 9,489,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677,983.68 : 17,495,514 = 6,876,750.72 : x
  2. Step 2: Convert to fraction form
    12,677,983.68/17,495,514 = 6,876,750.72/x
  3. Step 3: Cross multiply
    12,677,983.68x = 17,495,514 × 6,876,750.72
  4. Step 4: Simplify right side
    12,677,983.68x = 120,312,288,496,270.08
  5. Step 5: Solve for x
    x = 120,312,288,496,270.08/12,677,983.68
  6. Step 6: Final answer
    x = 9,489,859.87

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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.