Home / 20,562,503.40-28,379,381.13-13,123,375.11

Finding the Fourth Proportional to 20,562,503.40, 28,379,381.13 and 13,123,375.11

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Solution

The fourth proportional to 20,562,503.40, 28,379,381.13 and 13,123,375.11 is: 18,112,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562,503.40 : 28,379,381.13 = 13,123,375.11 : x
  2. Step 2: Convert to fraction form
    20,562,503.40/28,379,381.13 = 13,123,375.11/x
  3. Step 3: Cross multiply
    20,562,503.40x = 28,379,381.13 × 13,123,375.11
  4. Step 4: Simplify right side
    20,562,503.40x = 372,433,263,958,645.62
  5. Step 5: Solve for x
    x = 372,433,263,958,645.62/20,562,503.40
  6. Step 6: Final answer
    x = 18,112,253.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.