Home / 13,828,992.30-20,743,488.45-13,120,404.30

Finding the Fourth Proportional to 13,828,992.30, 20,743,488.45 and 13,120,404.30

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Solution

The fourth proportional to 13,828,992.30, 20,743,488.45 and 13,120,404.30 is: 19,680,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,992.30 : 20,743,488.45 = 13,120,404.30 : x
  2. Step 2: Convert to fraction form
    13,828,992.30/20,743,488.45 = 13,120,404.30/x
  3. Step 3: Cross multiply
    13,828,992.30x = 20,743,488.45 × 13,120,404.30
  4. Step 4: Simplify right side
    13,828,992.30x = 272,162,955,056,380.34
  5. Step 5: Solve for x
    x = 272,162,955,056,380.34/13,828,992.30
  6. Step 6: Final answer
    x = 19,680,606.45

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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.