Home / 20,310,657.36-30,473,570.24-8,183,561.32

Finding the Fourth Proportional to 20,310,657.36, 30,473,570.24 and 8,183,561.32

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Solution

The fourth proportional to 20,310,657.36, 30,473,570.24 and 8,183,561.32 is: 12,278,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,657.36 : 30,473,570.24 = 8,183,561.32 : x
  2. Step 2: Convert to fraction form
    20,310,657.36/30,473,570.24 = 8,183,561.32/x
  3. Step 3: Cross multiply
    20,310,657.36x = 30,473,570.24 × 8,183,561.32
  4. Step 4: Simplify right side
    20,310,657.36x = 249,382,330,698,367.12
  5. Step 5: Solve for x
    x = 249,382,330,698,367.12/20,310,657.36
  6. Step 6: Final answer
    x = 12,278,397.80

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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.