Home / 18,169,756.80-27,259,446.60-7,930,222.80

Finding the Fourth Proportional to 18,169,756.80, 27,259,446.60 and 7,930,222.80

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Solution

The fourth proportional to 18,169,756.80, 27,259,446.60 and 7,930,222.80 is: 11,897,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169,756.80 : 27,259,446.60 = 7,930,222.80 : x
  2. Step 2: Convert to fraction form
    18,169,756.80/27,259,446.60 = 7,930,222.80/x
  3. Step 3: Cross multiply
    18,169,756.80x = 27,259,446.60 × 7,930,222.80
  4. Step 4: Simplify right side
    18,169,756.80x = 216,173,484,942,702.50
  5. Step 5: Solve for x
    x = 216,173,484,942,702.50/18,169,756.80
  6. Step 6: Final answer
    x = 11,897,434.14

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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.