Home / 6,740,143.70-10,110,215.55-5,228,489.30

Finding the Fourth Proportional to 6,740,143.70, 10,110,215.55 and 5,228,489.30

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Solution

The fourth proportional to 6,740,143.70, 10,110,215.55 and 5,228,489.30 is: 7,842,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740,143.70 : 10,110,215.55 = 5,228,489.30 : x
  2. Step 2: Convert to fraction form
    6,740,143.70/10,110,215.55 = 5,228,489.30/x
  3. Step 3: Cross multiply
    6,740,143.70x = 10,110,215.55 × 5,228,489.30
  4. Step 4: Simplify right side
    6,740,143.70x = 52,861,153,823,868.62
  5. Step 5: Solve for x
    x = 52,861,153,823,868.62/6,740,143.70
  6. Step 6: Final answer
    x = 7,842,733.95

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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.