Home / 9,281,217.52-12,808,216.65-5,151,513.62

Finding the Fourth Proportional to 9,281,217.52, 12,808,216.65 and 5,151,513.62

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Solution

The fourth proportional to 9,281,217.52, 12,808,216.65 and 5,151,513.62 is: 7,109,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281,217.52 : 12,808,216.65 = 5,151,513.62 : x
  2. Step 2: Convert to fraction form
    9,281,217.52/12,808,216.65 = 5,151,513.62/x
  3. Step 3: Cross multiply
    9,281,217.52x = 12,808,216.65 × 5,151,513.62
  4. Step 4: Simplify right side
    9,281,217.52x = 65,981,702,542,747.23
  5. Step 5: Solve for x
    x = 65,981,702,542,747.23/9,281,217.52
  6. Step 6: Final answer
    x = 7,109,164.55

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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.