Home / 13,420,591.53-20,129,379.62-3,706,585.53

Finding the Fourth Proportional to 13,420,591.53, 20,129,379.62 and 3,706,585.53

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Solution

The fourth proportional to 13,420,591.53, 20,129,379.62 and 3,706,585.53 is: 5,559,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420,591.53 : 20,129,379.62 = 3,706,585.53 : x
  2. Step 2: Convert to fraction form
    13,420,591.53/20,129,379.62 = 3,706,585.53/x
  3. Step 3: Cross multiply
    13,420,591.53x = 20,129,379.62 × 3,706,585.53
  4. Step 4: Simplify right side
    13,420,591.53x = 74,611,267,208,835.95
  5. Step 5: Solve for x
    x = 74,611,267,208,835.95/13,420,591.53
  6. Step 6: Final answer
    x = 5,559,461.89

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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.