Home / 14,036,648.10-21,054,972.15-11,981,742.90

Finding the Fourth Proportional to 14,036,648.10, 21,054,972.15 and 11,981,742.90

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Solution

The fourth proportional to 14,036,648.10, 21,054,972.15 and 11,981,742.90 is: 17,972,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,648.10 : 21,054,972.15 = 11,981,742.90 : x
  2. Step 2: Convert to fraction form
    14,036,648.10/21,054,972.15 = 11,981,742.90/x
  3. Step 3: Cross multiply
    14,036,648.10x = 21,054,972.15 × 11,981,742.90
  4. Step 4: Simplify right side
    14,036,648.10x = 252,275,263,067,960.22
  5. Step 5: Solve for x
    x = 252,275,263,067,960.22/14,036,648.10
  6. Step 6: Final answer
    x = 17,972,614.35

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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.