Home / 20,095,821.62-30,147,715.20-5,719,455.62

Finding the Fourth Proportional to 20,095,821.62, 30,147,715.20 and 5,719,455.62

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Solution

The fourth proportional to 20,095,821.62, 30,147,715.20 and 5,719,455.62 is: 8,580,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095,821.62 : 30,147,715.20 = 5,719,455.62 : x
  2. Step 2: Convert to fraction form
    20,095,821.62/30,147,715.20 = 5,719,455.62/x
  3. Step 3: Cross multiply
    20,095,821.62x = 30,147,715.20 × 5,719,455.62
  4. Step 4: Simplify right side
    20,095,821.62x = 172,428,519,130,799.44
  5. Step 5: Solve for x
    x = 172,428,519,130,799.44/20,095,821.62
  6. Step 6: Final answer
    x = 8,580,316.96

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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.