Home / 10,550,876.04-15,801,512.94-5,142,577.86

Finding the Fourth Proportional to 10,550,876.04, 15,801,512.94 and 5,142,577.86

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Solution

The fourth proportional to 10,550,876.04, 15,801,512.94 and 5,142,577.86 is: 7,701,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550,876.04 : 15,801,512.94 = 5,142,577.86 : x
  2. Step 2: Convert to fraction form
    10,550,876.04/15,801,512.94 = 5,142,577.86/x
  3. Step 3: Cross multiply
    10,550,876.04x = 15,801,512.94 × 5,142,577.86
  4. Step 4: Simplify right side
    10,550,876.04x = 81,260,510,599,747.52
  5. Step 5: Solve for x
    x = 81,260,510,599,747.52/10,550,876.04
  6. Step 6: Final answer
    x = 7,701,778.53

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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.