Home / 12,805,245.20-19,201,301.40-3,828,630.80

Finding the Fourth Proportional to 12,805,245.20, 19,201,301.40 and 3,828,630.80

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Solution

The fourth proportional to 12,805,245.20, 19,201,301.40 and 3,828,630.80 is: 5,740,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,245.20 : 19,201,301.40 = 3,828,630.80 : x
  2. Step 2: Convert to fraction form
    12,805,245.20/19,201,301.40 = 3,828,630.80/x
  3. Step 3: Cross multiply
    12,805,245.20x = 19,201,301.40 × 3,828,630.80
  4. Step 4: Simplify right side
    12,805,245.20x = 73,514,693,940,123.11
  5. Step 5: Solve for x
    x = 73,514,693,940,123.11/12,805,245.20
  6. Step 6: Final answer
    x = 5,740,982.92

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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.