Home / 12,443,786.60-18,668,828.10-3,468,338.60

Finding the Fourth Proportional to 12,443,786.60, 18,668,828.10 and 3,468,338.60

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Solution

The fourth proportional to 12,443,786.60, 18,668,828.10 and 3,468,338.60 is: 5,203,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443,786.60 : 18,668,828.10 = 3,468,338.60 : x
  2. Step 2: Convert to fraction form
    12,443,786.60/18,668,828.10 = 3,468,338.60/x
  3. Step 3: Cross multiply
    12,443,786.60x = 18,668,828.10 × 3,468,338.60
  4. Step 4: Simplify right side
    12,443,786.60x = 64,749,817,115,994.66
  5. Step 5: Solve for x
    x = 64,749,817,115,994.66/12,443,786.60
  6. Step 6: Final answer
    x = 5,203,385.37

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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.