Home / 7,243,863.80-10,865,795.70-2,195,425.40

Finding the Fourth Proportional to 7,243,863.80, 10,865,795.70 and 2,195,425.40

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Solution

The fourth proportional to 7,243,863.80, 10,865,795.70 and 2,195,425.40 is: 3,293,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,863.80 : 10,865,795.70 = 2,195,425.40 : x
  2. Step 2: Convert to fraction form
    7,243,863.80/10,865,795.70 = 2,195,425.40/x
  3. Step 3: Cross multiply
    7,243,863.80x = 10,865,795.70 × 2,195,425.40
  4. Step 4: Simplify right side
    7,243,863.80x = 23,855,043,870,990.78
  5. Step 5: Solve for x
    x = 23,855,043,870,990.78/7,243,863.80
  6. Step 6: Final answer
    x = 3,293,138.10

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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.