Home / 16,720,033.24-23,073,727.60-9,378,258.74

Finding the Fourth Proportional to 16,720,033.24, 23,073,727.60 and 9,378,258.74

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Solution

The fourth proportional to 16,720,033.24, 23,073,727.60 and 9,378,258.74 is: 12,942,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720,033.24 : 23,073,727.60 = 9,378,258.74 : x
  2. Step 2: Convert to fraction form
    16,720,033.24/23,073,727.60 = 9,378,258.74/x
  3. Step 3: Cross multiply
    16,720,033.24x = 23,073,727.60 × 9,378,258.74
  4. Step 4: Simplify right side
    16,720,033.24x = 216,391,387,529,079.25
  5. Step 5: Solve for x
    x = 216,391,387,529,079.25/16,720,033.24
  6. Step 6: Final answer
    x = 12,942,042.90

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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.