Home / 21,509,378.80-29,685,034.52-16,067,422.96

Finding the Fourth Proportional to 21,509,378.80, 29,685,034.52 and 16,067,422.96

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Solution

The fourth proportional to 21,509,378.80, 29,685,034.52 and 16,067,422.96 is: 22,174,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509,378.80 : 29,685,034.52 = 16,067,422.96 : x
  2. Step 2: Convert to fraction form
    21,509,378.80/29,685,034.52 = 16,067,422.96/x
  3. Step 3: Cross multiply
    21,509,378.80x = 29,685,034.52 × 16,067,422.96
  4. Step 4: Simplify right side
    21,509,378.80x = 476,962,005,215,040.62
  5. Step 5: Solve for x
    x = 476,962,005,215,040.62/21,509,378.80
  6. Step 6: Final answer
    x = 22,174,606.23

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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.