Home / 13,582,618.47-20,350,011.78-12,773,499.48

Finding the Fourth Proportional to 13,582,618.47, 20,350,011.78 and 12,773,499.48

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Solution

The fourth proportional to 13,582,618.47, 20,350,011.78 and 12,773,499.48 is: 19,137,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,618.47 : 20,350,011.78 = 12,773,499.48 : x
  2. Step 2: Convert to fraction form
    13,582,618.47/20,350,011.78 = 12,773,499.48/x
  3. Step 3: Cross multiply
    13,582,618.47x = 20,350,011.78 × 12,773,499.48
  4. Step 4: Simplify right side
    13,582,618.47x = 259,940,864,889,823.91
  5. Step 5: Solve for x
    x = 259,940,864,889,823.91/13,582,618.47
  6. Step 6: Final answer
    x = 19,137,757.97

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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.