Home / 18,315,009.80-27,472,514.70-5,537,486.60

Finding the Fourth Proportional to 18,315,009.80, 27,472,514.70 and 5,537,486.60

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Solution

The fourth proportional to 18,315,009.80, 27,472,514.70 and 5,537,486.60 is: 8,306,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315,009.80 : 27,472,514.70 = 5,537,486.60 : x
  2. Step 2: Convert to fraction form
    18,315,009.80/27,472,514.70 = 5,537,486.60/x
  3. Step 3: Cross multiply
    18,315,009.80x = 27,472,514.70 × 5,537,486.60
  4. Step 4: Simplify right side
    18,315,009.80x = 152,128,682,019,553
  5. Step 5: Solve for x
    x = 152,128,682,019,553/18,315,009.80
  6. Step 6: Final answer
    x = 8,306,229.90

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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.