Home / 21,707,771.79-32,554,744.49-7,131,307.79

Finding the Fourth Proportional to 21,707,771.79, 32,554,744.49 and 7,131,307.79

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Solution

The fourth proportional to 21,707,771.79, 32,554,744.49 and 7,131,307.79 is: 10,694,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707,771.79 : 32,554,744.49 = 7,131,307.79 : x
  2. Step 2: Convert to fraction form
    21,707,771.79/32,554,744.49 = 7,131,307.79/x
  3. Step 3: Cross multiply
    21,707,771.79x = 32,554,744.49 × 7,131,307.79
  4. Step 4: Simplify right side
    21,707,771.79x = 232,157,902,982,996.56
  5. Step 5: Solve for x
    x = 232,157,902,982,996.56/21,707,771.79
  6. Step 6: Final answer
    x = 10,694,690.60

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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.