Home / 28,582,827.72-42,850,140.84-12,396,588

Finding the Fourth Proportional to 28,582,827.72, 42,850,140.84 and 12,396,588

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Solution

The fourth proportional to 28,582,827.72, 42,850,140.84 and 12,396,588 is: 18,584,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582,827.72 : 42,850,140.84 = 12,396,588 : x
  2. Step 2: Convert to fraction form
    28,582,827.72/42,850,140.84 = 12,396,588/x
  3. Step 3: Cross multiply
    28,582,827.72x = 42,850,140.84 × 12,396,588
  4. Step 4: Simplify right side
    28,582,827.72x = 531,195,541,735,453.94
  5. Step 5: Solve for x
    x = 531,195,541,735,453.94/28,582,827.72
  6. Step 6: Final answer
    x = 18,584,429.33

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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.