Home / 13,336,439.12-19,982,788.32-5,653,945.52

Finding the Fourth Proportional to 13,336,439.12, 19,982,788.32 and 5,653,945.52

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Solution

The fourth proportional to 13,336,439.12, 19,982,788.32 and 5,653,945.52 is: 8,471,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336,439.12 : 19,982,788.32 = 5,653,945.52 : x
  2. Step 2: Convert to fraction form
    13,336,439.12/19,982,788.32 = 5,653,945.52/x
  3. Step 3: Cross multiply
    13,336,439.12x = 19,982,788.32 × 5,653,945.52
  4. Step 4: Simplify right side
    13,336,439.12x = 112,981,596,498,972.31
  5. Step 5: Solve for x
    x = 112,981,596,498,972.31/13,336,439.12
  6. Step 6: Final answer
    x = 8,471,646.40

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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.