Home / 10,872,040.90-16,297,002.15-6,382,005.70

Finding the Fourth Proportional to 10,872,040.90, 16,297,002.15 and 6,382,005.70

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Solution

The fourth proportional to 10,872,040.90, 16,297,002.15 and 6,382,005.70 is: 9,566,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,040.90 : 16,297,002.15 = 6,382,005.70 : x
  2. Step 2: Convert to fraction form
    10,872,040.90/16,297,002.15 = 6,382,005.70/x
  3. Step 3: Cross multiply
    10,872,040.90x = 16,297,002.15 × 6,382,005.70
  4. Step 4: Simplify right side
    10,872,040.90x = 104,007,560,614,212.27
  5. Step 5: Solve for x
    x = 104,007,560,614,212.27/10,872,040.90
  6. Step 6: Final answer
    x = 9,566,516.68

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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.