Home / 12,371,144.88-18,556,113.72-4,591,572.88

Finding the Fourth Proportional to 12,371,144.88, 18,556,113.72 and 4,591,572.88

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Solution

The fourth proportional to 12,371,144.88, 18,556,113.72 and 4,591,572.88 is: 6,887,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,144.88 : 18,556,113.72 = 4,591,572.88 : x
  2. Step 2: Convert to fraction form
    12,371,144.88/18,556,113.72 = 4,591,572.88/x
  3. Step 3: Cross multiply
    12,371,144.88x = 18,556,113.72 × 4,591,572.88
  4. Step 4: Simplify right side
    12,371,144.88x = 85,201,748,514,947.91
  5. Step 5: Solve for x
    x = 85,201,748,514,947.91/12,371,144.88
  6. Step 6: Final answer
    x = 6,887,135.29

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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.