Home / 18,355,402.80-27,540,977.40-9,379,954.80

Finding the Fourth Proportional to 18,355,402.80, 27,540,977.40 and 9,379,954.80

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Solution

The fourth proportional to 18,355,402.80, 27,540,977.40 and 9,379,954.80 is: 14,073,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355,402.80 : 27,540,977.40 = 9,379,954.80 : x
  2. Step 2: Convert to fraction form
    18,355,402.80/27,540,977.40 = 9,379,954.80/x
  3. Step 3: Cross multiply
    18,355,402.80x = 27,540,977.40 × 9,379,954.80
  4. Step 4: Simplify right side
    18,355,402.80x = 258,333,123,159,821.53
  5. Step 5: Solve for x
    x = 258,333,123,159,821.53/18,355,402.80
  6. Step 6: Final answer
    x = 14,073,955.55

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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.