Home / 5,255,781.20-7,883,671.80-5,167,207.70

Finding the Fourth Proportional to 5,255,781.20, 7,883,671.80 and 5,167,207.70

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Solution

The fourth proportional to 5,255,781.20, 7,883,671.80 and 5,167,207.70 is: 7,750,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,781.20 : 7,883,671.80 = 5,167,207.70 : x
  2. Step 2: Convert to fraction form
    5,255,781.20/7,883,671.80 = 5,167,207.70/x
  3. Step 3: Cross multiply
    5,255,781.20x = 7,883,671.80 × 5,167,207.70
  4. Step 4: Simplify right side
    5,255,781.20x = 40,736,569,629,232.86
  5. Step 5: Solve for x
    x = 40,736,569,629,232.86/5,255,781.20
  6. Step 6: Final answer
    x = 7,750,811.55

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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.