Home / 15,043,619.04-20,759,981.22-8,517,078.84

Finding the Fourth Proportional to 15,043,619.04, 20,759,981.22 and 8,517,078.84

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Solution

The fourth proportional to 15,043,619.04, 20,759,981.22 and 8,517,078.84 is: 11,753,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043,619.04 : 20,759,981.22 = 8,517,078.84 : x
  2. Step 2: Convert to fraction form
    15,043,619.04/20,759,981.22 = 8,517,078.84/x
  3. Step 3: Cross multiply
    15,043,619.04x = 20,759,981.22 × 8,517,078.84
  4. Step 4: Simplify right side
    15,043,619.04x = 176,814,396,767,659.38
  5. Step 5: Solve for x
    x = 176,814,396,767,659.38/15,043,619.04
  6. Step 6: Final answer
    x = 11,753,448.18

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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.