Home / 9,196,719.48-12,690,171.18-5,222,853

Finding the Fourth Proportional to 9,196,719.48, 12,690,171.18 and 5,222,853

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Solution

The fourth proportional to 9,196,719.48, 12,690,171.18 and 5,222,853 is: 7,206,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196,719.48 : 12,690,171.18 = 5,222,853 : x
  2. Step 2: Convert to fraction form
    9,196,719.48/12,690,171.18 = 5,222,853/x
  3. Step 3: Cross multiply
    9,196,719.48x = 12,690,171.18 × 5,222,853
  4. Step 4: Simplify right side
    9,196,719.48x = 66,278,898,617,976.54
  5. Step 5: Solve for x
    x = 66,278,898,617,976.54/9,196,719.48
  6. Step 6: Final answer
    x = 7,206,797.90

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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.