Home / 28,582,869.42-42,850,203.30-12,396,629.70

Finding the Fourth Proportional to 28,582,869.42, 42,850,203.30 and 12,396,629.70

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Solution

The fourth proportional to 28,582,869.42, 42,850,203.30 and 12,396,629.70 is: 18,584,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582,869.42 : 42,850,203.30 = 12,396,629.70 : x
  2. Step 2: Convert to fraction form
    28,582,869.42/42,850,203.30 = 12,396,629.70/x
  3. Step 3: Cross multiply
    28,582,869.42x = 42,850,203.30 × 12,396,629.70
  4. Step 4: Simplify right side
    28,582,869.42x = 531,198,102,879,817.94
  5. Step 5: Solve for x
    x = 531,198,102,879,817.94/28,582,869.42
  6. Step 6: Final answer
    x = 18,584,491.82

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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.