Home / 13,351,795.54-18,425,879.13-7,550,460.91

Finding the Fourth Proportional to 13,351,795.54, 18,425,879.13 and 7,550,460.91

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Solution

The fourth proportional to 13,351,795.54, 18,425,879.13 and 7,550,460.91 is: 10,419,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351,795.54 : 18,425,879.13 = 7,550,460.91 : x
  2. Step 2: Convert to fraction form
    13,351,795.54/18,425,879.13 = 7,550,460.91/x
  3. Step 3: Cross multiply
    13,351,795.54x = 18,425,879.13 × 7,550,460.91
  4. Step 4: Simplify right side
    13,351,795.54x = 139,123,880,103,449.80
  5. Step 5: Solve for x
    x = 139,123,880,103,449.80/13,351,795.54
  6. Step 6: Final answer
    x = 10,419,862.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.