Home / 7,001,511.64-9,661,847.20-3,861,899.72

Finding the Fourth Proportional to 7,001,511.64, 9,661,847.20 and 3,861,899.72

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Solution

The fourth proportional to 7,001,511.64, 9,661,847.20 and 3,861,899.72 is: 5,329,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001,511.64 : 9,661,847.20 = 3,861,899.72 : x
  2. Step 2: Convert to fraction form
    7,001,511.64/9,661,847.20 = 3,861,899.72/x
  3. Step 3: Cross multiply
    7,001,511.64x = 9,661,847.20 × 3,861,899.72
  4. Step 4: Simplify right side
    7,001,511.64x = 37,313,084,996,362.78
  5. Step 5: Solve for x
    x = 37,313,084,996,362.78/7,001,511.64
  6. Step 6: Final answer
    x = 5,329,289.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.