Home / 27,648,020.80-41,472,031.20-20,481,659.20

Finding the Fourth Proportional to 27,648,020.80, 41,472,031.20 and 20,481,659.20

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Solution

The fourth proportional to 27,648,020.80, 41,472,031.20 and 20,481,659.20 is: 30,722,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648,020.80 : 41,472,031.20 = 20,481,659.20 : x
  2. Step 2: Convert to fraction form
    27,648,020.80/41,472,031.20 = 20,481,659.20/x
  3. Step 3: Cross multiply
    27,648,020.80x = 41,472,031.20 × 20,481,659.20
  4. Step 4: Simplify right side
    27,648,020.80x = 849,416,009,370,167.12
  5. Step 5: Solve for x
    x = 849,416,009,370,167.12/27,648,020.80
  6. Step 6: Final answer
    x = 30,722,488.80

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1.5x scale

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.