Home / 20,280,845.89-30,400,011.19-7,493,194.45

Finding the Fourth Proportional to 20,280,845.89, 30,400,011.19 and 7,493,194.45

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Solution

The fourth proportional to 20,280,845.89, 30,400,011.19 and 7,493,194.45 is: 11,231,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,845.89 : 30,400,011.19 = 7,493,194.45 : x
  2. Step 2: Convert to fraction form
    20,280,845.89/30,400,011.19 = 7,493,194.45/x
  3. Step 3: Cross multiply
    20,280,845.89x = 30,400,011.19 × 7,493,194.45
  4. Step 4: Simplify right side
    20,280,845.89x = 227,793,195,128,845.91
  5. Step 5: Solve for x
    x = 227,793,195,128,845.91/20,280,845.89
  6. Step 6: Final answer
    x = 11,231,937.58

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1.5x scale

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.