Home / 8,477,021.98-12,715,972.80-2,797,689.16

Finding the Fourth Proportional to 8,477,021.98, 12,715,972.80 and 2,797,689.16

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Solution

The fourth proportional to 8,477,021.98, 12,715,972.80 and 2,797,689.16 is: 4,196,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477,021.98 : 12,715,972.80 = 2,797,689.16 : x
  2. Step 2: Convert to fraction form
    8,477,021.98/12,715,972.80 = 2,797,689.16/x
  3. Step 3: Cross multiply
    8,477,021.98x = 12,715,972.80 × 2,797,689.16
  4. Step 4: Simplify right side
    8,477,021.98x = 35,575,339,261,414.85
  5. Step 5: Solve for x
    x = 35,575,339,261,414.85/8,477,021.98
  6. Step 6: Final answer
    x = 4,196,678.90

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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.