Home / 7,858,454.49-11,789,643.50-2,740,957.90

Finding the Fourth Proportional to 7,858,454.49, 11,789,643.50 and 2,740,957.90

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Solution

The fourth proportional to 7,858,454.49, 11,789,643.50 and 2,740,957.90 is: 4,112,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,454.49 : 11,789,643.50 = 2,740,957.90 : x
  2. Step 2: Convert to fraction form
    7,858,454.49/11,789,643.50 = 2,740,957.90/x
  3. Step 3: Cross multiply
    7,858,454.49x = 11,789,643.50 × 2,740,957.90
  4. Step 4: Simplify right side
    7,858,454.49x = 32,314,916,489,508.65
  5. Step 5: Solve for x
    x = 32,314,916,489,508.65/7,858,454.49
  6. Step 6: Final answer
    x = 4,112,121.10

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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.