Home / 15,764,933.31-21,755,598.35-8,521,589.31

Finding the Fourth Proportional to 15,764,933.31, 21,755,598.35 and 8,521,589.31

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Solution

The fourth proportional to 15,764,933.31, 21,755,598.35 and 8,521,589.31 is: 11,759,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,933.31 : 21,755,598.35 = 8,521,589.31 : x
  2. Step 2: Convert to fraction form
    15,764,933.31/21,755,598.35 = 8,521,589.31/x
  3. Step 3: Cross multiply
    15,764,933.31x = 21,755,598.35 × 8,521,589.31
  4. Step 4: Simplify right side
    15,764,933.31x = 185,392,274,289,405.69
  5. Step 5: Solve for x
    x = 185,392,274,289,405.69/15,764,933.31
  6. Step 6: Final answer
    x = 11,759,788.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.