Home / 6,630,709.69-9,150,181.23-4,018,759.21

Finding the Fourth Proportional to 6,630,709.69, 9,150,181.23 and 4,018,759.21

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Solution

The fourth proportional to 6,630,709.69, 9,150,181.23 and 4,018,759.21 is: 5,545,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630,709.69 : 9,150,181.23 = 4,018,759.21 : x
  2. Step 2: Convert to fraction form
    6,630,709.69/9,150,181.23 = 4,018,759.21/x
  3. Step 3: Cross multiply
    6,630,709.69x = 9,150,181.23 × 4,018,759.21
  4. Step 4: Simplify right side
    6,630,709.69x = 36,772,375,091,231.63
  5. Step 5: Solve for x
    x = 36,772,375,091,231.63/6,630,709.69
  6. Step 6: Final answer
    x = 5,545,767.62

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1.5x scale

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.