Home / 8,709,585-12,019,273.98-4,789,593.78

Finding the Fourth Proportional to 8,709,585, 12,019,273.98 and 4,789,593.78

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Solution

The fourth proportional to 8,709,585, 12,019,273.98 and 4,789,593.78 is: 6,609,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,585 : 12,019,273.98 = 4,789,593.78 : x
  2. Step 2: Convert to fraction form
    8,709,585/12,019,273.98 = 4,789,593.78/x
  3. Step 3: Cross multiply
    8,709,585x = 12,019,273.98 × 4,789,593.78
  4. Step 4: Simplify right side
    8,709,585x = 57,567,439,894,723.85
  5. Step 5: Solve for x
    x = 57,567,439,894,723.85/8,709,585
  6. Step 6: Final answer
    x = 6,609,665.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.