Home / 21,374,446.40-32,081,714.40-11,284,308.80

Finding the Fourth Proportional to 21,374,446.40, 32,081,714.40 and 11,284,308.80

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Solution

The fourth proportional to 21,374,446.40, 32,081,714.40 and 11,284,308.80 is: 16,937,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374,446.40 : 32,081,714.40 = 11,284,308.80 : x
  2. Step 2: Convert to fraction form
    21,374,446.40/32,081,714.40 = 11,284,308.80/x
  3. Step 3: Cross multiply
    21,374,446.40x = 32,081,714.40 × 11,284,308.80
  4. Step 4: Simplify right side
    21,374,446.40x = 362,019,972,123,006.75
  5. Step 5: Solve for x
    x = 362,019,972,123,006.75/21,374,446.40
  6. Step 6: Final answer
    x = 16,937,045.54

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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.