Home / 8,887,347.72-13,329,660.15-2,821,287.69

Finding the Fourth Proportional to 8,887,347.72, 13,329,660.15 and 2,821,287.69

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Solution

The fourth proportional to 8,887,347.72, 13,329,660.15 and 2,821,287.69 is: 4,231,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887,347.72 : 13,329,660.15 = 2,821,287.69 : x
  2. Step 2: Convert to fraction form
    8,887,347.72/13,329,660.15 = 2,821,287.69/x
  3. Step 3: Cross multiply
    8,887,347.72x = 13,329,660.15 × 2,821,287.69
  4. Step 4: Simplify right side
    8,887,347.72x = 37,606,806,093,078.55
  5. Step 5: Solve for x
    x = 37,606,806,093,078.55/8,887,347.72
  6. Step 6: Final answer
    x = 4,231,499.35

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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.