Home / 28,202,416.20-42,306,734.70-9,029,910.60

Finding the Fourth Proportional to 28,202,416.20, 42,306,734.70 and 9,029,910.60

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Solution

The fourth proportional to 28,202,416.20, 42,306,734.70 and 9,029,910.60 is: 13,545,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,416.20 : 42,306,734.70 = 9,029,910.60 : x
  2. Step 2: Convert to fraction form
    28,202,416.20/42,306,734.70 = 9,029,910.60/x
  3. Step 3: Cross multiply
    28,202,416.20x = 42,306,734.70 × 9,029,910.60
  4. Step 4: Simplify right side
    28,202,416.20x = 382,026,032,118,917.81
  5. Step 5: Solve for x
    x = 382,026,032,118,917.81/28,202,416.20
  6. Step 6: Final answer
    x = 13,545,861.79

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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.