Home / 7,717,898.20-10,650,001.62-4,280,128.60

Finding the Fourth Proportional to 7,717,898.20, 10,650,001.62 and 4,280,128.60

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Solution

The fourth proportional to 7,717,898.20, 10,650,001.62 and 4,280,128.60 is: 5,906,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717,898.20 : 10,650,001.62 = 4,280,128.60 : x
  2. Step 2: Convert to fraction form
    7,717,898.20/10,650,001.62 = 4,280,128.60/x
  3. Step 3: Cross multiply
    7,717,898.20x = 10,650,001.62 × 4,280,128.60
  4. Step 4: Simplify right side
    7,717,898.20x = 45,583,376,523,808.33
  5. Step 5: Solve for x
    x = 45,583,376,523,808.33/7,717,898.20
  6. Step 6: Final answer
    x = 5,906,190.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.