Home / 21,307,717.88-31,984,321.60-9,183,164.84

Finding the Fourth Proportional to 21,307,717.88, 31,984,321.60 and 9,183,164.84

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Solution

The fourth proportional to 21,307,717.88, 31,984,321.60 and 9,183,164.84 is: 13,784,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307,717.88 : 31,984,321.60 = 9,183,164.84 : x
  2. Step 2: Convert to fraction form
    21,307,717.88/31,984,321.60 = 9,183,164.84/x
  3. Step 3: Cross multiply
    21,307,717.88x = 31,984,321.60 × 9,183,164.84
  4. Step 4: Simplify right side
    21,307,717.88x = 293,717,297,548,372.56
  5. Step 5: Solve for x
    x = 293,717,297,548,372.56/21,307,717.88
  6. Step 6: Final answer
    x = 13,784,549.77

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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.