Home / 26,572,817.80-39,859,226.70-20,148,286.60

Finding the Fourth Proportional to 26,572,817.80, 39,859,226.70 and 20,148,286.60

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Solution

The fourth proportional to 26,572,817.80, 39,859,226.70 and 20,148,286.60 is: 30,222,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,572,817.80 : 39,859,226.70 = 20,148,286.60 : x
  2. Step 2: Convert to fraction form
    26,572,817.80/39,859,226.70 = 20,148,286.60/x
  3. Step 3: Cross multiply
    26,572,817.80x = 39,859,226.70 × 20,148,286.60
  4. Step 4: Simplify right side
    26,572,817.80x = 803,095,123,205,972.38
  5. Step 5: Solve for x
    x = 803,095,123,205,972.38/26,572,817.80
  6. Step 6: Final answer
    x = 30,222,429.90

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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.