Home / 12,671,572.85-18,987,796.52-8,556,767.88

Finding the Fourth Proportional to 12,671,572.85, 18,987,796.52 and 8,556,767.88

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Solution

The fourth proportional to 12,671,572.85, 18,987,796.52 and 8,556,767.88 is: 12,821,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,572.85 : 18,987,796.52 = 8,556,767.88 : x
  2. Step 2: Convert to fraction form
    12,671,572.85/18,987,796.52 = 8,556,767.88/x
  3. Step 3: Cross multiply
    12,671,572.85x = 18,987,796.52 × 8,556,767.88
  4. Step 4: Simplify right side
    12,671,572.85x = 162,474,167,428,550.94
  5. Step 5: Solve for x
    x = 162,474,167,428,550.94/12,671,572.85
  6. Step 6: Final answer
    x = 12,821,941.63

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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.