Home / 20,287,767.54-30,431,649.46-8,928,216.16

Finding the Fourth Proportional to 20,287,767.54, 30,431,649.46 and 8,928,216.16

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Solution

The fourth proportional to 20,287,767.54, 30,431,649.46 and 8,928,216.16 is: 13,392,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,767.54 : 30,431,649.46 = 8,928,216.16 : x
  2. Step 2: Convert to fraction form
    20,287,767.54/30,431,649.46 = 8,928,216.16/x
  3. Step 3: Cross multiply
    20,287,767.54x = 30,431,649.46 × 8,928,216.16
  4. Step 4: Simplify right side
    20,287,767.54x = 271,700,344,484,227.28
  5. Step 5: Solve for x
    x = 271,700,344,484,227.28/20,287,767.54
  6. Step 6: Final answer
    x = 13,392,323.43

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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.