Home / 7,740,109.68-11,611,565.88-3,188,629.16

Finding the Fourth Proportional to 7,740,109.68, 11,611,565.88 and 3,188,629.16

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Solution

The fourth proportional to 7,740,109.68, 11,611,565.88 and 3,188,629.16 is: 4,783,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740,109.68 : 11,611,565.88 = 3,188,629.16 : x
  2. Step 2: Convert to fraction form
    7,740,109.68/11,611,565.88 = 3,188,629.16/x
  3. Step 3: Cross multiply
    7,740,109.68x = 11,611,565.88 × 3,188,629.16
  4. Step 4: Simplify right side
    7,740,109.68x = 37,024,977,558,229.06
  5. Step 5: Solve for x
    x = 37,024,977,558,229.06/7,740,109.68
  6. Step 6: Final answer
    x = 4,783,521.05

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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.