Home / 8,546,486.76-12,820,784.05-2,787,680.59

Finding the Fourth Proportional to 8,546,486.76, 12,820,784.05 and 2,787,680.59

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Solution

The fourth proportional to 8,546,486.76, 12,820,784.05 and 2,787,680.59 is: 4,181,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546,486.76 : 12,820,784.05 = 2,787,680.59 : x
  2. Step 2: Convert to fraction form
    8,546,486.76/12,820,784.05 = 2,787,680.59/x
  3. Step 3: Cross multiply
    8,546,486.76x = 12,820,784.05 × 2,787,680.59
  4. Step 4: Simplify right side
    8,546,486.76x = 35,740,250,844,766.59
  5. Step 5: Solve for x
    x = 35,740,250,844,766.59/8,546,486.76
  6. Step 6: Final answer
    x = 4,181,864.65

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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.