Home / 14,082,126.80-21,123,190.20-9,043,278.80

Finding the Fourth Proportional to 14,082,126.80, 21,123,190.20 and 9,043,278.80

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Solution

The fourth proportional to 14,082,126.80, 21,123,190.20 and 9,043,278.80 is: 13,564,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082,126.80 : 21,123,190.20 = 9,043,278.80 : x
  2. Step 2: Convert to fraction form
    14,082,126.80/21,123,190.20 = 9,043,278.80/x
  3. Step 3: Cross multiply
    14,082,126.80x = 21,123,190.20 × 9,043,278.80
  4. Step 4: Simplify right side
    14,082,126.80x = 191,022,898,124,027.78
  5. Step 5: Solve for x
    x = 191,022,898,124,027.78/14,082,126.80
  6. Step 6: Final answer
    x = 13,564,918.20

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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.