Home / 8,430,390.62-12,645,618.74-2,040,632.72

Finding the Fourth Proportional to 8,430,390.62, 12,645,618.74 and 2,040,632.72

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Solution

The fourth proportional to 8,430,390.62, 12,645,618.74 and 2,040,632.72 is: 3,060,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,390.62 : 12,645,618.74 = 2,040,632.72 : x
  2. Step 2: Convert to fraction form
    8,430,390.62/12,645,618.74 = 2,040,632.72/x
  3. Step 3: Cross multiply
    8,430,390.62x = 12,645,618.74 × 2,040,632.72
  4. Step 4: Simplify right side
    8,430,390.62x = 25,805,063,394,552.43
  5. Step 5: Solve for x
    x = 25,805,063,394,552.43/8,430,390.62
  6. Step 6: Final answer
    x = 3,060,957.02

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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.