Home / 18,663,144.20-27,990,515.10-6,695,880.20

Finding the Fourth Proportional to 18,663,144.20, 27,990,515.10 and 6,695,880.20

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Solution

The fourth proportional to 18,663,144.20, 27,990,515.10 and 6,695,880.20 is: 10,042,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,144.20 : 27,990,515.10 = 6,695,880.20 : x
  2. Step 2: Convert to fraction form
    18,663,144.20/27,990,515.10 = 6,695,880.20/x
  3. Step 3: Cross multiply
    18,663,144.20x = 27,990,515.10 × 6,695,880.20
  4. Step 4: Simplify right side
    18,663,144.20x = 187,421,135,845,891.03
  5. Step 5: Solve for x
    x = 187,421,135,845,891.03/18,663,144.20
  6. Step 6: Final answer
    x = 10,042,313.01

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1.5x scale

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.