Home / 22,147,015.60-33,220,523.40-21,190,421.80

Finding the Fourth Proportional to 22,147,015.60, 33,220,523.40 and 21,190,421.80

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Solution

The fourth proportional to 22,147,015.60, 33,220,523.40 and 21,190,421.80 is: 31,785,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,015.60 : 33,220,523.40 = 21,190,421.80 : x
  2. Step 2: Convert to fraction form
    22,147,015.60/33,220,523.40 = 21,190,421.80/x
  3. Step 3: Cross multiply
    22,147,015.60x = 33,220,523.40 × 21,190,421.80
  4. Step 4: Simplify right side
    22,147,015.60x = 703,956,903,262,770.12
  5. Step 5: Solve for x
    x = 703,956,903,262,770.12/22,147,015.60
  6. Step 6: Final answer
    x = 31,785,632.70

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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.