Home / 20,050,308.70-30,075,463.05-7,271,230.30

Finding the Fourth Proportional to 20,050,308.70, 30,075,463.05 and 7,271,230.30

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Solution

The fourth proportional to 20,050,308.70, 30,075,463.05 and 7,271,230.30 is: 10,906,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050,308.70 : 30,075,463.05 = 7,271,230.30 : x
  2. Step 2: Convert to fraction form
    20,050,308.70/30,075,463.05 = 7,271,230.30/x
  3. Step 3: Cross multiply
    20,050,308.70x = 30,075,463.05 × 7,271,230.30
  4. Step 4: Simplify right side
    20,050,308.70x = 218,685,618,215,690.41
  5. Step 5: Solve for x
    x = 218,685,618,215,690.41/20,050,308.70
  6. Step 6: Final answer
    x = 10,906,845.45

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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.