Home / 15,550,234.88-21,456,666.92-9,022,367.93

Finding the Fourth Proportional to 15,550,234.88, 21,456,666.92 and 9,022,367.93

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Solution

The fourth proportional to 15,550,234.88, 21,456,666.92 and 9,022,367.93 is: 12,449,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,234.88 : 21,456,666.92 = 9,022,367.93 : x
  2. Step 2: Convert to fraction form
    15,550,234.88/21,456,666.92 = 9,022,367.93/x
  3. Step 3: Cross multiply
    15,550,234.88x = 21,456,666.92 × 9,022,367.93
  4. Step 4: Simplify right side
    15,550,234.88x = 193,589,943,418,972.47
  5. Step 5: Solve for x
    x = 193,589,943,418,972.47/15,550,234.88
  6. Step 6: Final answer
    x = 12,449,326.01

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1.5x scale

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.