Home / 18,378,021.60-27,567,032.40-17,496,223.20

Finding the Fourth Proportional to 18,378,021.60, 27,567,032.40 and 17,496,223.20

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Solution

The fourth proportional to 18,378,021.60, 27,567,032.40 and 17,496,223.20 is: 26,244,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,021.60 : 27,567,032.40 = 17,496,223.20 : x
  2. Step 2: Convert to fraction form
    18,378,021.60/27,567,032.40 = 17,496,223.20/x
  3. Step 3: Cross multiply
    18,378,021.60x = 27,567,032.40 × 17,496,223.20
  4. Step 4: Simplify right side
    18,378,021.60x = 482,318,951,832,031.62
  5. Step 5: Solve for x
    x = 482,318,951,832,031.62/18,378,021.60
  6. Step 6: Final answer
    x = 26,244,334.80

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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.