Home / 20,295,333.72-30,448,080.90-5,918,403.15

Finding the Fourth Proportional to 20,295,333.72, 30,448,080.90 and 5,918,403.15

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Solution

The fourth proportional to 20,295,333.72, 30,448,080.90 and 5,918,403.15 is: 8,879,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295,333.72 : 30,448,080.90 = 5,918,403.15 : x
  2. Step 2: Convert to fraction form
    20,295,333.72/30,448,080.90 = 5,918,403.15/x
  3. Step 3: Cross multiply
    20,295,333.72x = 30,448,080.90 × 5,918,403.15
  4. Step 4: Simplify right side
    20,295,333.72x = 180,204,017,910,014.84
  5. Step 5: Solve for x
    x = 180,204,017,910,014.84/20,295,333.72
  6. Step 6: Final answer
    x = 8,879,086.22

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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.