Home / 19,540,299.60-29,305,200.60-8,178,397.20

Finding the Fourth Proportional to 19,540,299.60, 29,305,200.60 and 8,178,397.20

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Solution

The fourth proportional to 19,540,299.60, 29,305,200.60 and 8,178,397.20 is: 12,265,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540,299.60 : 29,305,200.60 = 8,178,397.20 : x
  2. Step 2: Convert to fraction form
    19,540,299.60/29,305,200.60 = 8,178,397.20/x
  3. Step 3: Cross multiply
    19,540,299.60x = 29,305,200.60 × 8,178,397.20
  4. Step 4: Simplify right side
    19,540,299.60x = 239,669,570,532,478.34
  5. Step 5: Solve for x
    x = 239,669,570,532,478.34/19,540,299.60
  6. Step 6: Final answer
    x = 12,265,398.97

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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.