Home / 28,093,456.44-42,143,560.20-9,893,891.52

Finding the Fourth Proportional to 28,093,456.44, 42,143,560.20 and 9,893,891.52

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Solution

The fourth proportional to 28,093,456.44, 42,143,560.20 and 9,893,891.52 is: 14,842,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093,456.44 : 42,143,560.20 = 9,893,891.52 : x
  2. Step 2: Convert to fraction form
    28,093,456.44/42,143,560.20 = 9,893,891.52/x
  3. Step 3: Cross multiply
    28,093,456.44x = 42,143,560.20 × 9,893,891.52
  4. Step 4: Simplify right side
    28,093,456.44x = 416,963,812,885,389.50
  5. Step 5: Solve for x
    x = 416,963,812,885,389.50/28,093,456.44
  6. Step 6: Final answer
    x = 14,842,026.07

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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.