Home / 20,310,656.36-30,473,568.74-8,183,560.32

Finding the Fourth Proportional to 20,310,656.36, 30,473,568.74 and 8,183,560.32

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Solution

The fourth proportional to 20,310,656.36, 30,473,568.74 and 8,183,560.32 is: 12,278,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,656.36 : 30,473,568.74 = 8,183,560.32 : x
  2. Step 2: Convert to fraction form
    20,310,656.36/30,473,568.74 = 8,183,560.32/x
  3. Step 3: Cross multiply
    20,310,656.36x = 30,473,568.74 × 8,183,560.32
  4. Step 4: Simplify right side
    20,310,656.36x = 249,382,287,949,456.41
  5. Step 5: Solve for x
    x = 249,382,287,949,456.41/20,310,656.36
  6. Step 6: Final answer
    x = 12,278,396.30

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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.