Home / 12,123,005.70-18,187,132.95-3,604,203.30

Finding the Fourth Proportional to 12,123,005.70, 18,187,132.95 and 3,604,203.30

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Solution

The fourth proportional to 12,123,005.70, 18,187,132.95 and 3,604,203.30 is: 5,407,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,005.70 : 18,187,132.95 = 3,604,203.30 : x
  2. Step 2: Convert to fraction form
    12,123,005.70/18,187,132.95 = 3,604,203.30/x
  3. Step 3: Cross multiply
    12,123,005.70x = 18,187,132.95 × 3,604,203.30
  4. Step 4: Simplify right side
    12,123,005.70x = 65,550,124,595,928.73
  5. Step 5: Solve for x
    x = 65,550,124,595,928.73/12,123,005.70
  6. Step 6: Final answer
    x = 5,407,085.19

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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.