Home / 10,530,310.20-15,771,845.70-8,640,742.20

Finding the Fourth Proportional to 10,530,310.20, 15,771,845.70 and 8,640,742.20

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Solution

The fourth proportional to 10,530,310.20, 15,771,845.70 and 8,640,742.20 is: 12,941,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,310.20 : 15,771,845.70 = 8,640,742.20 : x
  2. Step 2: Convert to fraction form
    10,530,310.20/15,771,845.70 = 8,640,742.20/x
  3. Step 3: Cross multiply
    10,530,310.20x = 15,771,845.70 × 8,640,742.20
  4. Step 4: Simplify right side
    10,530,310.20x = 136,280,452,711,878.52
  5. Step 5: Solve for x
    x = 136,280,452,711,878.52/10,530,310.20
  6. Step 6: Final answer
    x = 12,941,732.02

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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.