Home / 14,372,003.70-21,558,005.55-13,420,221.30

Finding the Fourth Proportional to 14,372,003.70, 21,558,005.55 and 13,420,221.30

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Solution

The fourth proportional to 14,372,003.70, 21,558,005.55 and 13,420,221.30 is: 20,130,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372,003.70 : 21,558,005.55 = 13,420,221.30 : x
  2. Step 2: Convert to fraction form
    14,372,003.70/21,558,005.55 = 13,420,221.30/x
  3. Step 3: Cross multiply
    14,372,003.70x = 21,558,005.55 × 13,420,221.30
  4. Step 4: Simplify right side
    14,372,003.70x = 289,313,205,267,628.25
  5. Step 5: Solve for x
    x = 289,313,205,267,628.25/14,372,003.70
  6. Step 6: Final answer
    x = 20,130,331.95

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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.