Home / 16,928,844.09-23,361,942.13-9,193,941.78

Finding the Fourth Proportional to 16,928,844.09, 23,361,942.13 and 9,193,941.78

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Solution

The fourth proportional to 16,928,844.09, 23,361,942.13 and 9,193,941.78 is: 12,687,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928,844.09 : 23,361,942.13 = 9,193,941.78 : x
  2. Step 2: Convert to fraction form
    16,928,844.09/23,361,942.13 = 9,193,941.78/x
  3. Step 3: Cross multiply
    16,928,844.09x = 23,361,942.13 × 9,193,941.78
  4. Step 4: Simplify right side
    16,928,844.09x = 214,788,335,787,964.34
  5. Step 5: Solve for x
    x = 214,788,335,787,964.34/16,928,844.09
  6. Step 6: Final answer
    x = 12,687,714.21

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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.