Home / 13,709,782.68-20,560,533.29-4,122,616.20

Finding the Fourth Proportional to 13,709,782.68, 20,560,533.29 and 4,122,616.20

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Solution

The fourth proportional to 13,709,782.68, 20,560,533.29 and 4,122,616.20 is: 6,182,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,782.68 : 20,560,533.29 = 4,122,616.20 : x
  2. Step 2: Convert to fraction form
    13,709,782.68/20,560,533.29 = 4,122,616.20/x
  3. Step 3: Cross multiply
    13,709,782.68x = 20,560,533.29 × 4,122,616.20
  4. Step 4: Simplify right side
    13,709,782.68x = 84,763,187,562,927.73
  5. Step 5: Solve for x
    x = 84,763,187,562,927.73/13,709,782.68
  6. Step 6: Final answer
    x = 6,182,679.15

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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.