Home / 14,036,620.60-21,054,930.90-11,981,715.40

Finding the Fourth Proportional to 14,036,620.60, 21,054,930.90 and 11,981,715.40

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Solution

The fourth proportional to 14,036,620.60, 21,054,930.90 and 11,981,715.40 is: 17,972,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,620.60 : 21,054,930.90 = 11,981,715.40 : x
  2. Step 2: Convert to fraction form
    14,036,620.60/21,054,930.90 = 11,981,715.40/x
  3. Step 3: Cross multiply
    14,036,620.60x = 21,054,930.90 × 11,981,715.40
  4. Step 4: Simplify right side
    14,036,620.60x = 252,274,189,810,465.84
  5. Step 5: Solve for x
    x = 252,274,189,810,465.84/14,036,620.60
  6. Step 6: Final answer
    x = 17,972,573.10

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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.