Home / 20,956,551.20-31,434,826.80-8,839,696.40

Finding the Fourth Proportional to 20,956,551.20, 31,434,826.80 and 8,839,696.40

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Solution

The fourth proportional to 20,956,551.20, 31,434,826.80 and 8,839,696.40 is: 13,259,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,956,551.20 : 31,434,826.80 = 8,839,696.40 : x
  2. Step 2: Convert to fraction form
    20,956,551.20/31,434,826.80 = 8,839,696.40/x
  3. Step 3: Cross multiply
    20,956,551.20x = 31,434,826.80 × 8,839,696.40
  4. Step 4: Simplify right side
    20,956,551.20x = 277,874,325,298,583.53
  5. Step 5: Solve for x
    x = 277,874,325,298,583.53/20,956,551.20
  6. Step 6: Final answer
    x = 13,259,544.60

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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.