Home / 19,440,021.60-29,136,704.40-13,374,741.60

Finding the Fourth Proportional to 19,440,021.60, 29,136,704.40 and 13,374,741.60

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Solution

The fourth proportional to 19,440,021.60, 29,136,704.40 and 13,374,741.60 is: 20,046,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,021.60 : 29,136,704.40 = 13,374,741.60 : x
  2. Step 2: Convert to fraction form
    19,440,021.60/29,136,704.40 = 13,374,741.60/x
  3. Step 3: Cross multiply
    19,440,021.60x = 29,136,704.40 × 13,374,741.60
  4. Step 4: Simplify right side
    19,440,021.60x = 389,695,892,425,583
  5. Step 5: Solve for x
    x = 389,695,892,425,583/19,440,021.60
  6. Step 6: Final answer
    x = 20,046,062.73

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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.