Home / 13,745,321.82-20,617,717.38-5,547,747.52

Finding the Fourth Proportional to 13,745,321.82, 20,617,717.38 and 5,547,747.52

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Solution

The fourth proportional to 13,745,321.82, 20,617,717.38 and 5,547,747.52 is: 8,321,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,321.82 : 20,617,717.38 = 5,547,747.52 : x
  2. Step 2: Convert to fraction form
    13,745,321.82/20,617,717.38 = 5,547,747.52/x
  3. Step 3: Cross multiply
    13,745,321.82x = 20,617,717.38 × 5,547,747.52
  4. Step 4: Simplify right side
    13,745,321.82x = 114,381,890,462,955.88
  5. Step 5: Solve for x
    x = 114,381,890,462,955.88/13,745,321.82
  6. Step 6: Final answer
    x = 8,321,514.18

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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.