Home / 7,872,074.72-11,808,298.93-2,114,815.69

Finding the Fourth Proportional to 7,872,074.72, 11,808,298.93 and 2,114,815.69

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Solution

The fourth proportional to 7,872,074.72, 11,808,298.93 and 2,114,815.69 is: 3,172,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,074.72 : 11,808,298.93 = 2,114,815.69 : x
  2. Step 2: Convert to fraction form
    7,872,074.72/11,808,298.93 = 2,114,815.69/x
  3. Step 3: Cross multiply
    7,872,074.72x = 11,808,298.93 × 2,114,815.69
  4. Step 4: Simplify right side
    7,872,074.72x = 24,972,375,814,566.43
  5. Step 5: Solve for x
    x = 24,972,375,814,566.43/7,872,074.72
  6. Step 6: Final answer
    x = 3,172,273.73

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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.