Home / 7,887,778.52-11,832,975.12-2,768,880.25

Finding the Fourth Proportional to 7,887,778.52, 11,832,975.12 and 2,768,880.25

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Solution

The fourth proportional to 7,887,778.52, 11,832,975.12 and 2,768,880.25 is: 4,153,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,778.52 : 11,832,975.12 = 2,768,880.25 : x
  2. Step 2: Convert to fraction form
    7,887,778.52/11,832,975.12 = 2,768,880.25/x
  3. Step 3: Cross multiply
    7,887,778.52x = 11,832,975.12 × 2,768,880.25
  4. Step 4: Simplify right side
    7,887,778.52x = 32,764,091,049,344.50
  5. Step 5: Solve for x
    x = 32,764,091,049,344.50/7,887,778.52
  6. Step 6: Final answer
    x = 4,153,779.29

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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.