Home / 20,229,774.45-30,344,661.68-20,088,056.85

Finding the Fourth Proportional to 20,229,774.45, 30,344,661.68 and 20,088,056.85

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Solution

The fourth proportional to 20,229,774.45, 30,344,661.68 and 20,088,056.85 is: 30,132,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,774.45 : 30,344,661.68 = 20,088,056.85 : x
  2. Step 2: Convert to fraction form
    20,229,774.45/30,344,661.68 = 20,088,056.85/x
  3. Step 3: Cross multiply
    20,229,774.45x = 30,344,661.68 × 20,088,056.85
  4. Step 4: Simplify right side
    20,229,774.45x = 609,565,288,821,416.25
  5. Step 5: Solve for x
    x = 609,565,288,821,416.25/20,229,774.45
  6. Step 6: Final answer
    x = 30,132,085.28

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Similar ratio
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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.