Home / 20,144,725.20-30,217,087.80-4,998,656.70

Finding the Fourth Proportional to 20,144,725.20, 30,217,087.80 and 4,998,656.70

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Solution

The fourth proportional to 20,144,725.20, 30,217,087.80 and 4,998,656.70 is: 7,497,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144,725.20 : 30,217,087.80 = 4,998,656.70 : x
  2. Step 2: Convert to fraction form
    20,144,725.20/30,217,087.80 = 4,998,656.70/x
  3. Step 3: Cross multiply
    20,144,725.20x = 30,217,087.80 × 4,998,656.70
  4. Step 4: Simplify right side
    20,144,725.20x = 151,044,848,385,958.28
  5. Step 5: Solve for x
    x = 151,044,848,385,958.28/20,144,725.20
  6. Step 6: Final answer
    x = 7,497,985.05

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Double scale
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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.