Home / 17,383,715.70-26,075,573.55-12,665,123.70

Finding the Fourth Proportional to 17,383,715.70, 26,075,573.55 and 12,665,123.70

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Solution

The fourth proportional to 17,383,715.70, 26,075,573.55 and 12,665,123.70 is: 18,997,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383,715.70 : 26,075,573.55 = 12,665,123.70 : x
  2. Step 2: Convert to fraction form
    17,383,715.70/26,075,573.55 = 12,665,123.70/x
  3. Step 3: Cross multiply
    17,383,715.70x = 26,075,573.55 × 12,665,123.70
  4. Step 4: Simplify right side
    17,383,715.70x = 330,250,364,559,198.12
  5. Step 5: Solve for x
    x = 330,250,364,559,198.12/17,383,715.70
  6. Step 6: Final answer
    x = 18,997,685.55

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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.