Home / 12,131,567.80-18,173,732.10-6,730,552.60

Finding the Fourth Proportional to 12,131,567.80, 18,173,732.10 and 6,730,552.60

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Solution

The fourth proportional to 12,131,567.80, 18,173,732.10 and 6,730,552.60 is: 10,082,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,567.80 : 18,173,732.10 = 6,730,552.60 : x
  2. Step 2: Convert to fraction form
    12,131,567.80/18,173,732.10 = 6,730,552.60/x
  3. Step 3: Cross multiply
    12,131,567.80x = 18,173,732.10 × 6,730,552.60
  4. Step 4: Simplify right side
    12,131,567.80x = 122,319,259,837,358.47
  5. Step 5: Solve for x
    x = 122,319,259,837,358.47/12,131,567.80
  6. Step 6: Final answer
    x = 10,082,724.83

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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.