Home / 13,549,282.24-18,694,922.16-8,039,811.28

Finding the Fourth Proportional to 13,549,282.24, 18,694,922.16 and 8,039,811.28

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Solution

The fourth proportional to 13,549,282.24, 18,694,922.16 and 8,039,811.28 is: 11,093,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549,282.24 : 18,694,922.16 = 8,039,811.28 : x
  2. Step 2: Convert to fraction form
    13,549,282.24/18,694,922.16 = 8,039,811.28/x
  3. Step 3: Cross multiply
    13,549,282.24x = 18,694,922.16 × 8,039,811.28
  4. Step 4: Simplify right side
    13,549,282.24x = 150,303,646,060,689.97
  5. Step 5: Solve for x
    x = 150,303,646,060,689.97/13,549,282.24
  6. Step 6: Final answer
    x = 11,093,107.62

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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.