Home / 5,418,140.11-7,477,369.28-3,003,692.11

Finding the Fourth Proportional to 5,418,140.11, 7,477,369.28 and 3,003,692.11

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Solution

The fourth proportional to 5,418,140.11, 7,477,369.28 and 3,003,692.11 is: 4,145,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,140.11 : 7,477,369.28 = 3,003,692.11 : x
  2. Step 2: Convert to fraction form
    5,418,140.11/7,477,369.28 = 3,003,692.11/x
  3. Step 3: Cross multiply
    5,418,140.11x = 7,477,369.28 × 3,003,692.11
  4. Step 4: Simplify right side
    5,418,140.11x = 22,459,715,109,892.38
  5. Step 5: Solve for x
    x = 22,459,715,109,892.38/5,418,140.11
  6. Step 6: Final answer
    x = 4,145,281.34

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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.