Home / 28,582,827.22-42,850,140.09-12,396,587.50

Finding the Fourth Proportional to 28,582,827.22, 42,850,140.09 and 12,396,587.50

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Solution

The fourth proportional to 28,582,827.22, 42,850,140.09 and 12,396,587.50 is: 18,584,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582,827.22 : 42,850,140.09 = 12,396,587.50 : x
  2. Step 2: Convert to fraction form
    28,582,827.22/42,850,140.09 = 12,396,587.50/x
  3. Step 3: Cross multiply
    28,582,827.22x = 42,850,140.09 × 12,396,587.50
  4. Step 4: Simplify right side
    28,582,827.22x = 531,195,511,012,942.94
  5. Step 5: Solve for x
    x = 531,195,511,012,942.94/28,582,827.22
  6. Step 6: Final answer
    x = 18,584,428.58

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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.