Home / 28,059,768.60-42,090,965.10-8,892,025.80

Finding the Fourth Proportional to 28,059,768.60, 42,090,965.10 and 8,892,025.80

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Solution

The fourth proportional to 28,059,768.60, 42,090,965.10 and 8,892,025.80 is: 13,338,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059,768.60 : 42,090,965.10 = 8,892,025.80 : x
  2. Step 2: Convert to fraction form
    28,059,768.60/42,090,965.10 = 8,892,025.80/x
  3. Step 3: Cross multiply
    28,059,768.60x = 42,090,965.10 × 8,892,025.80
  4. Step 4: Simplify right side
    28,059,768.60x = 374,273,947,616,099.62
  5. Step 5: Solve for x
    x = 374,273,947,616,099.62/28,059,768.60
  6. Step 6: Final answer
    x = 13,338,454.53

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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.