Home / 30,650,005.30-42,297,292.83-16,899,458.26

Finding the Fourth Proportional to 30,650,005.30, 42,297,292.83 and 16,899,458.26

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Solution

The fourth proportional to 30,650,005.30, 42,297,292.83 and 16,899,458.26 is: 23,321,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,650,005.30 : 42,297,292.83 = 16,899,458.26 : x
  2. Step 2: Convert to fraction form
    30,650,005.30/42,297,292.83 = 16,899,458.26/x
  3. Step 3: Cross multiply
    30,650,005.30x = 42,297,292.83 × 16,899,458.26
  4. Step 4: Simplify right side
    30,650,005.30x = 714,801,334,691,582.38
  5. Step 5: Solve for x
    x = 714,801,334,691,582.38/30,650,005.30
  6. Step 6: Final answer
    x = 23,321,409.82

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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.