Home / 12,069,043.97-18,101,861.46-3,870,620.85

Finding the Fourth Proportional to 12,069,043.97, 18,101,861.46 and 3,870,620.85

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Solution

The fourth proportional to 12,069,043.97, 18,101,861.46 and 3,870,620.85 is: 5,805,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,043.97 : 18,101,861.46 = 3,870,620.85 : x
  2. Step 2: Convert to fraction form
    12,069,043.97/18,101,861.46 = 3,870,620.85/x
  3. Step 3: Cross multiply
    12,069,043.97x = 18,101,861.46 × 3,870,620.85
  4. Step 4: Simplify right side
    12,069,043.97x = 70,065,442,421,505.81
  5. Step 5: Solve for x
    x = 70,065,442,421,505.81/12,069,043.97
  6. Step 6: Final answer
    x = 5,805,384.64

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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.