Home / 7,987,481.68-11,021,493-4,549,284.40

Finding the Fourth Proportional to 7,987,481.68, 11,021,493 and 4,549,284.40

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Solution

The fourth proportional to 7,987,481.68, 11,021,493 and 4,549,284.40 is: 6,277,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,481.68 : 11,021,493 = 4,549,284.40 : x
  2. Step 2: Convert to fraction form
    7,987,481.68/11,021,493 = 4,549,284.40/x
  3. Step 3: Cross multiply
    7,987,481.68x = 11,021,493 × 4,549,284.40
  4. Step 4: Simplify right side
    7,987,481.68x = 50,139,906,169,609.20
  5. Step 5: Solve for x
    x = 50,139,906,169,609.20/7,987,481.68
  6. Step 6: Final answer
    x = 6,277,310.94

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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.