Home / 12,219,619.80-18,324,764.10-3,697,123.80

Finding the Fourth Proportional to 12,219,619.80, 18,324,764.10 and 3,697,123.80

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Solution

The fourth proportional to 12,219,619.80, 18,324,764.10 and 3,697,123.80 is: 5,544,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,619.80 : 18,324,764.10 = 3,697,123.80 : x
  2. Step 2: Convert to fraction form
    12,219,619.80/18,324,764.10 = 3,697,123.80/x
  3. Step 3: Cross multiply
    12,219,619.80x = 18,324,764.10 × 3,697,123.80
  4. Step 4: Simplify right side
    12,219,619.80x = 67,748,921,483,495.59
  5. Step 5: Solve for x
    x = 67,748,921,483,495.59/12,219,619.80
  6. Step 6: Final answer
    x = 5,544,274.09

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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.