Home / 27,289,318.40-40,934,633.70-8,120,700.80

Finding the Fourth Proportional to 27,289,318.40, 40,934,633.70 and 8,120,700.80

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Solution

The fourth proportional to 27,289,318.40, 40,934,633.70 and 8,120,700.80 is: 12,181,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289,318.40 : 40,934,633.70 = 8,120,700.80 : x
  2. Step 2: Convert to fraction form
    27,289,318.40/40,934,633.70 = 8,120,700.80/x
  3. Step 3: Cross multiply
    27,289,318.40x = 40,934,633.70 × 8,120,700.80
  4. Step 4: Simplify right side
    27,289,318.40x = 332,417,912,635,297
  5. Step 5: Solve for x
    x = 332,417,912,635,297/27,289,318.40
  6. Step 6: Final answer
    x = 12,181,246.44

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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.