Home / 15,980,833.72-23,988,309.12-6,887,418.94

Finding the Fourth Proportional to 15,980,833.72, 23,988,309.12 and 6,887,418.94

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Solution

The fourth proportional to 15,980,833.72, 23,988,309.12 and 6,887,418.94 is: 10,338,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980,833.72 : 23,988,309.12 = 6,887,418.94 : x
  2. Step 2: Convert to fraction form
    15,980,833.72/23,988,309.12 = 6,887,418.94/x
  3. Step 3: Cross multiply
    15,980,833.72x = 23,988,309.12 × 6,887,418.94
  4. Step 4: Simplify right side
    15,980,833.72x = 165,217,534,571,662.75
  5. Step 5: Solve for x
    x = 165,217,534,571,662.75/15,980,833.72
  6. Step 6: Final answer
    x = 10,338,480.30

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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.