Home / 40,747,645.81-61,123,361.15-13,082,692.22

Finding the Fourth Proportional to 40,747,645.81, 61,123,361.15 and 13,082,692.22

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Solution

The fourth proportional to 40,747,645.81, 61,123,361.15 and 13,082,692.22 is: 19,624,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,747,645.81 : 61,123,361.15 = 13,082,692.22 : x
  2. Step 2: Convert to fraction form
    40,747,645.81/61,123,361.15 = 13,082,692.22/x
  3. Step 3: Cross multiply
    40,747,645.81x = 61,123,361.15 × 13,082,692.22
  4. Step 4: Simplify right side
    40,747,645.81x = 799,658,121,260,067.62
  5. Step 5: Solve for x
    x = 799,658,121,260,067.62/40,747,645.81
  6. Step 6: Final answer
    x = 19,624,645.93

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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.