Home / 21,970,242.09-32,932,294.01-7,392,100.80

Finding the Fourth Proportional to 21,970,242.09, 32,932,294.01 and 7,392,100.80

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Solution

The fourth proportional to 21,970,242.09, 32,932,294.01 and 7,392,100.80 is: 11,080,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,970,242.09 : 32,932,294.01 = 7,392,100.80 : x
  2. Step 2: Convert to fraction form
    21,970,242.09/32,932,294.01 = 7,392,100.80/x
  3. Step 3: Cross multiply
    21,970,242.09x = 32,932,294.01 × 7,392,100.80
  4. Step 4: Simplify right side
    21,970,242.09x = 243,438,836,860,195.69
  5. Step 5: Solve for x
    x = 243,438,836,860,195.69/21,970,242.09
  6. Step 6: Final answer
    x = 11,080,389.37

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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.