Home / 28,375,481.60-42,569,200.16-9,204,741.76

Finding the Fourth Proportional to 28,375,481.60, 42,569,200.16 and 9,204,741.76

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Solution

The fourth proportional to 28,375,481.60, 42,569,200.16 and 9,204,741.76 is: 13,809,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375,481.60 : 42,569,200.16 = 9,204,741.76 : x
  2. Step 2: Convert to fraction form
    28,375,481.60/42,569,200.16 = 9,204,741.76/x
  3. Step 3: Cross multiply
    28,375,481.60x = 42,569,200.16 × 9,204,741.76
  4. Step 4: Simplify right side
    28,375,481.60x = 391,838,494,402,550.62
  5. Step 5: Solve for x
    x = 391,838,494,402,550.62/28,375,481.60
  6. Step 6: Final answer
    x = 13,809,051.77

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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.