Home / 18,452,123.80-27,678,185.70-12,082,024.60

Finding the Fourth Proportional to 18,452,123.80, 27,678,185.70 and 12,082,024.60

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Solution

The fourth proportional to 18,452,123.80, 27,678,185.70 and 12,082,024.60 is: 18,123,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,123.80 : 27,678,185.70 = 12,082,024.60 : x
  2. Step 2: Convert to fraction form
    18,452,123.80/27,678,185.70 = 12,082,024.60/x
  3. Step 3: Cross multiply
    18,452,123.80x = 27,678,185.70 × 12,082,024.60
  4. Step 4: Simplify right side
    18,452,123.80x = 334,408,520,510,768.19
  5. Step 5: Solve for x
    x = 334,408,520,510,768.19/18,452,123.80
  6. Step 6: Final answer
    x = 18,123,036.90

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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.