Home / 30,691,833.22-42,354,733.62-16,940,801.08

Finding the Fourth Proportional to 30,691,833.22, 42,354,733.62 and 16,940,801.08

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Solution

The fourth proportional to 30,691,833.22, 42,354,733.62 and 16,940,801.08 is: 23,378,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,691,833.22 : 42,354,733.62 = 16,940,801.08 : x
  2. Step 2: Convert to fraction form
    30,691,833.22/42,354,733.62 = 16,940,801.08/x
  3. Step 3: Cross multiply
    30,691,833.22x = 42,354,733.62 × 16,940,801.08
  4. Step 4: Simplify right side
    30,691,833.22x = 717,523,117,052,808.25
  5. Step 5: Solve for x
    x = 717,523,117,052,808.25/30,691,833.22
  6. Step 6: Final answer
    x = 23,378,307.57

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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.