Home / 18,703,265.80-28,040,901.90-10,193,211.40

Finding the Fourth Proportional to 18,703,265.80, 28,040,901.90 and 10,193,211.40

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Solution

The fourth proportional to 18,703,265.80, 28,040,901.90 and 10,193,211.40 is: 15,282,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703,265.80 : 28,040,901.90 = 10,193,211.40 : x
  2. Step 2: Convert to fraction form
    18,703,265.80/28,040,901.90 = 10,193,211.40/x
  3. Step 3: Cross multiply
    18,703,265.80x = 28,040,901.90 × 10,193,211.40
  4. Step 4: Simplify right side
    18,703,265.80x = 285,826,840,913,361.62
  5. Step 5: Solve for x
    x = 285,826,840,913,361.62/18,703,265.80
  6. Step 6: Final answer
    x = 15,282,188.90

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1.5x scale

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.