Home / 13,672,006.40-20,508,009.60-11,449,107.20

Finding the Fourth Proportional to 13,672,006.40, 20,508,009.60 and 11,449,107.20

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Solution

The fourth proportional to 13,672,006.40, 20,508,009.60 and 11,449,107.20 is: 17,173,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672,006.40 : 20,508,009.60 = 11,449,107.20 : x
  2. Step 2: Convert to fraction form
    13,672,006.40/20,508,009.60 = 11,449,107.20/x
  3. Step 3: Cross multiply
    13,672,006.40x = 20,508,009.60 × 11,449,107.20
  4. Step 4: Simplify right side
    13,672,006.40x = 234,798,400,369,029.12
  5. Step 5: Solve for x
    x = 234,798,400,369,029.12/13,672,006.40
  6. Step 6: Final answer
    x = 17,173,660.80

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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.