Home / 13,582,619.47-20,350,013.28-12,773,500.48

Finding the Fourth Proportional to 13,582,619.47, 20,350,013.28 and 12,773,500.48

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Solution

The fourth proportional to 13,582,619.47, 20,350,013.28 and 12,773,500.48 is: 19,137,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,619.47 : 20,350,013.28 = 12,773,500.48 : x
  2. Step 2: Convert to fraction form
    13,582,619.47/20,350,013.28 = 12,773,500.48/x
  3. Step 3: Cross multiply
    13,582,619.47x = 20,350,013.28 × 12,773,500.48
  4. Step 4: Simplify right side
    13,582,619.47x = 259,940,904,400,086.41
  5. Step 5: Solve for x
    x = 259,940,904,400,086.41/13,582,619.47
  6. Step 6: Final answer
    x = 19,137,759.47

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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.