Home / 14,036,327.10-21,054,490.65-11,981,421.90

Finding the Fourth Proportional to 14,036,327.10, 21,054,490.65 and 11,981,421.90

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Solution

The fourth proportional to 14,036,327.10, 21,054,490.65 and 11,981,421.90 is: 17,972,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,327.10 : 21,054,490.65 = 11,981,421.90 : x
  2. Step 2: Convert to fraction form
    14,036,327.10/21,054,490.65 = 11,981,421.90/x
  3. Step 3: Cross multiply
    14,036,327.10x = 21,054,490.65 × 11,981,421.90
  4. Step 4: Simplify right side
    14,036,327.10x = 252,262,735,367,255.22
  5. Step 5: Solve for x
    x = 252,262,735,367,255.22/14,036,327.10
  6. Step 6: Final answer
    x = 17,972,132.85

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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.