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Finding the Fourth Proportional to 8,168,049.45, 12,252,074.18 and 8,168,049.45

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Solution

The fourth proportional to 8,168,049.45, 12,252,074.18 and 8,168,049.45 is: 12,252,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,049.45 : 12,252,074.18 = 8,168,049.45 : x
  2. Step 2: Convert to fraction form
    8,168,049.45/12,252,074.18 = 8,168,049.45/x
  3. Step 3: Cross multiply
    8,168,049.45x = 12,252,074.18 × 8,168,049.45
  4. Step 4: Simplify right side
    8,168,049.45x = 100,075,547,726,467.97
  5. Step 5: Solve for x
    x = 100,075,547,726,467.97/8,168,049.45
  6. Step 6: Final answer
    x = 12,252,074.18

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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.