Home / 18,192,868.60-27,289,740.30-5,413,790.20

Finding the Fourth Proportional to 18,192,868.60, 27,289,740.30 and 5,413,790.20

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Solution

The fourth proportional to 18,192,868.60, 27,289,740.30 and 5,413,790.20 is: 8,120,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,868.60 : 27,289,740.30 = 5,413,790.20 : x
  2. Step 2: Convert to fraction form
    18,192,868.60/27,289,740.30 = 5,413,790.20/x
  3. Step 3: Cross multiply
    18,192,868.60x = 27,289,740.30 × 5,413,790.20
  4. Step 4: Simplify right side
    18,192,868.60x = 147,740,928,596,685.06
  5. Step 5: Solve for x
    x = 147,740,928,596,685.06/18,192,868.60
  6. Step 6: Final answer
    x = 8,120,815.46

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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.