Home / 14,036,286.60-21,054,429.90-11,981,381.40

Finding the Fourth Proportional to 14,036,286.60, 21,054,429.90 and 11,981,381.40

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Solution

The fourth proportional to 14,036,286.60, 21,054,429.90 and 11,981,381.40 is: 17,972,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,286.60 : 21,054,429.90 = 11,981,381.40 : x
  2. Step 2: Convert to fraction form
    14,036,286.60/21,054,429.90 = 11,981,381.40/x
  3. Step 3: Cross multiply
    14,036,286.60x = 21,054,429.90 × 11,981,381.40
  4. Step 4: Simplify right side
    14,036,286.60x = 252,261,154,791,463.84
  5. Step 5: Solve for x
    x = 252,261,154,791,463.84/14,036,286.60
  6. Step 6: Final answer
    x = 17,972,072.10

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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.