Home / 49,036,506.12-67,670,378.22-28,421,909.76

Finding the Fourth Proportional to 49,036,506.12, 67,670,378.22 and 28,421,909.76

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Solution

The fourth proportional to 49,036,506.12, 67,670,378.22 and 28,421,909.76 is: 39,222,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,036,506.12 : 67,670,378.22 = 28,421,909.76 : x
  2. Step 2: Convert to fraction form
    49,036,506.12/67,670,378.22 = 28,421,909.76/x
  3. Step 3: Cross multiply
    49,036,506.12x = 67,670,378.22 × 28,421,909.76
  4. Step 4: Simplify right side
    49,036,506.12x = 1,923,321,383,193,909.50
  5. Step 5: Solve for x
    x = 1,923,321,383,193,909.50/49,036,506.12
  6. Step 6: Final answer
    x = 39,222,235.34

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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.