Home / 30,750,629.94-42,433,738.11-16,998,511.50

Finding the Fourth Proportional to 30,750,629.94, 42,433,738.11 and 16,998,511.50

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Solution

The fourth proportional to 30,750,629.94, 42,433,738.11 and 16,998,511.50 is: 23,456,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750,629.94 : 42,433,738.11 = 16,998,511.50 : x
  2. Step 2: Convert to fraction form
    30,750,629.94/42,433,738.11 = 16,998,511.50/x
  3. Step 3: Cross multiply
    30,750,629.94x = 42,433,738.11 × 16,998,511.50
  4. Step 4: Simplify right side
    30,750,629.94x = 721,310,385,250,823.25
  5. Step 5: Solve for x
    x = 721,310,385,250,823.25/30,750,629.94
  6. Step 6: Final answer
    x = 23,456,767.77

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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.