Home / 13,451,981.68-20,181,175.62-4,354,080.94

Finding the Fourth Proportional to 13,451,981.68, 20,181,175.62 and 4,354,080.94

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Solution

The fourth proportional to 13,451,981.68, 20,181,175.62 and 4,354,080.94 is: 6,532,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,981.68 : 20,181,175.62 = 4,354,080.94 : x
  2. Step 2: Convert to fraction form
    13,451,981.68/20,181,175.62 = 4,354,080.94/x
  3. Step 3: Cross multiply
    13,451,981.68x = 20,181,175.62 × 4,354,080.94
  4. Step 4: Simplify right side
    13,451,981.68x = 87,870,472,113,834.70
  5. Step 5: Solve for x
    x = 87,870,472,113,834.70/13,451,981.68
  6. Step 6: Final answer
    x = 6,532,158.18

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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.