Home / 16,290,585.20-22,479,696.52-9,415,512.56

Finding the Fourth Proportional to 16,290,585.20, 22,479,696.52 and 9,415,512.56

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Solution

The fourth proportional to 16,290,585.20, 22,479,696.52 and 9,415,512.56 is: 12,992,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290,585.20 : 22,479,696.52 = 9,415,512.56 : x
  2. Step 2: Convert to fraction form
    16,290,585.20/22,479,696.52 = 9,415,512.56/x
  3. Step 3: Cross multiply
    16,290,585.20x = 22,479,696.52 × 9,415,512.56
  4. Step 4: Simplify right side
    16,290,585.20x = 211,657,864,929,048.31
  5. Step 5: Solve for x
    x = 211,657,864,929,048.31/16,290,585.20
  6. Step 6: Final answer
    x = 12,992,649.58

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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.