Home / 22,128,149.02-30,537,221.73-12,206,170.12

Finding the Fourth Proportional to 22,128,149.02, 30,537,221.73 and 12,206,170.12

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Solution

The fourth proportional to 22,128,149.02, 30,537,221.73 and 12,206,170.12 is: 16,844,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,149.02 : 30,537,221.73 = 12,206,170.12 : x
  2. Step 2: Convert to fraction form
    22,128,149.02/30,537,221.73 = 12,206,170.12/x
  3. Step 3: Cross multiply
    22,128,149.02x = 30,537,221.73 × 12,206,170.12
  4. Step 4: Simplify right side
    22,128,149.02x = 372,742,523,428,540.69
  5. Step 5: Solve for x
    x = 372,742,523,428,540.69/22,128,149.02
  6. Step 6: Final answer
    x = 16,844,722.22

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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.