Home / 18,305,005.60-27,457,508.40-17,381,216.80

Finding the Fourth Proportional to 18,305,005.60, 27,457,508.40 and 17,381,216.80

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Solution

The fourth proportional to 18,305,005.60, 27,457,508.40 and 17,381,216.80 is: 26,071,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305,005.60 : 27,457,508.40 = 17,381,216.80 : x
  2. Step 2: Convert to fraction form
    18,305,005.60/27,457,508.40 = 17,381,216.80/x
  3. Step 3: Cross multiply
    18,305,005.60x = 27,457,508.40 × 17,381,216.80
  4. Step 4: Simplify right side
    18,305,005.60x = 477,244,906,288,221.12
  5. Step 5: Solve for x
    x = 477,244,906,288,221.12/18,305,005.60
  6. Step 6: Final answer
    x = 26,071,825.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.