Home / 13,709,787.17-20,560,540.05-4,122,620.69

Finding the Fourth Proportional to 13,709,787.17, 20,560,540.05 and 4,122,620.69

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Solution

The fourth proportional to 13,709,787.17, 20,560,540.05 and 4,122,620.69 is: 6,182,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,787.17 : 20,560,540.05 = 4,122,620.69 : x
  2. Step 2: Convert to fraction form
    13,709,787.17/20,560,540.05 = 4,122,620.69/x
  3. Step 3: Cross multiply
    13,709,787.17x = 20,560,540.05 × 4,122,620.69
  4. Step 4: Simplify right side
    13,709,787.17x = 84,763,307,704,900.94
  5. Step 5: Solve for x
    x = 84,763,307,704,900.94/13,709,787.17
  6. Step 6: Final answer
    x = 6,182,685.89

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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.