Home / 21,928,900.44-30,262,122.08-12,139,508.16

Finding the Fourth Proportional to 21,928,900.44, 30,262,122.08 and 12,139,508.16

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Solution

The fourth proportional to 21,928,900.44, 30,262,122.08 and 12,139,508.16 is: 16,752,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928,900.44 : 30,262,122.08 = 12,139,508.16 : x
  2. Step 2: Convert to fraction form
    21,928,900.44/30,262,122.08 = 12,139,508.16/x
  3. Step 3: Cross multiply
    21,928,900.44x = 30,262,122.08 × 12,139,508.16
  4. Step 4: Simplify right side
    21,928,900.44x = 367,367,277,929,076.12
  5. Step 5: Solve for x
    x = 367,367,277,929,076.12/21,928,900.44
  6. Step 6: Final answer
    x = 16,752,653.83

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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.