Home / 6,786,478.11-10,179,627.51-1,668,952.17

Finding the Fourth Proportional to 6,786,478.11, 10,179,627.51 and 1,668,952.17

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Solution

The fourth proportional to 6,786,478.11, 10,179,627.51 and 1,668,952.17 is: 2,503,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,478.11 : 10,179,627.51 = 1,668,952.17 : x
  2. Step 2: Convert to fraction form
    6,786,478.11/10,179,627.51 = 1,668,952.17/x
  3. Step 3: Cross multiply
    6,786,478.11x = 10,179,627.51 × 1,668,952.17
  4. Step 4: Simplify right side
    6,786,478.11x = 16,989,311,422,606.20
  5. Step 5: Solve for x
    x = 16,989,311,422,606.20/6,786,478.11
  6. Step 6: Final answer
    x = 2,503,406.21

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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.