Home / 8,711,143.23-13,065,863.38-2,645,927.62

Finding the Fourth Proportional to 8,711,143.23, 13,065,863.38 and 2,645,927.62

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Solution

The fourth proportional to 8,711,143.23, 13,065,863.38 and 2,645,927.62 is: 3,968,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,143.23 : 13,065,863.38 = 2,645,927.62 : x
  2. Step 2: Convert to fraction form
    8,711,143.23/13,065,863.38 = 2,645,927.62/x
  3. Step 3: Cross multiply
    8,711,143.23x = 13,065,863.38 × 2,645,927.62
  4. Step 4: Simplify right side
    8,711,143.23x = 34,571,328,796,288.56
  5. Step 5: Solve for x
    x = 34,571,328,796,288.56/8,711,143.23
  6. Step 6: Final answer
    x = 3,968,632.81

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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.