Home / 13,774,081.20-20,660,465.70-4,675,286.40

Finding the Fourth Proportional to 13,774,081.20, 20,660,465.70 and 4,675,286.40

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Solution

The fourth proportional to 13,774,081.20, 20,660,465.70 and 4,675,286.40 is: 7,012,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,081.20 : 20,660,465.70 = 4,675,286.40 : x
  2. Step 2: Convert to fraction form
    13,774,081.20/20,660,465.70 = 4,675,286.40/x
  3. Step 3: Cross multiply
    13,774,081.20x = 20,660,465.70 × 4,675,286.40
  4. Step 4: Simplify right side
    13,774,081.20x = 96,593,594,304,876.48
  5. Step 5: Solve for x
    x = 96,593,594,304,876.48/13,774,081.20
  6. Step 6: Final answer
    x = 7,012,706.90

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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.