Home / 21,032,408.60-31,536,171.30-10,954,712.60

Finding the Fourth Proportional to 21,032,408.60, 31,536,171.30 and 10,954,712.60

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Solution

The fourth proportional to 21,032,408.60, 31,536,171.30 and 10,954,712.60 is: 16,425,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,408.60 : 31,536,171.30 = 10,954,712.60 : x
  2. Step 2: Convert to fraction form
    21,032,408.60/31,536,171.30 = 10,954,712.60/x
  3. Step 3: Cross multiply
    21,032,408.60x = 31,536,171.30 × 10,954,712.60
  4. Step 4: Simplify right side
    21,032,408.60x = 345,469,693,095,868.38
  5. Step 5: Solve for x
    x = 345,469,693,095,868.38/21,032,408.60
  6. Step 6: Final answer
    x = 16,425,588.70

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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.