Home / 18,883,139.80-28,324,709.70-9,906,525.40

Finding the Fourth Proportional to 18,883,139.80, 28,324,709.70 and 9,906,525.40

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Solution

The fourth proportional to 18,883,139.80, 28,324,709.70 and 9,906,525.40 is: 14,859,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883,139.80 : 28,324,709.70 = 9,906,525.40 : x
  2. Step 2: Convert to fraction form
    18,883,139.80/28,324,709.70 = 9,906,525.40/x
  3. Step 3: Cross multiply
    18,883,139.80x = 28,324,709.70 × 9,906,525.40
  4. Step 4: Simplify right side
    18,883,139.80x = 280,599,456,090,676.38
  5. Step 5: Solve for x
    x = 280,599,456,090,676.38/18,883,139.80
  6. Step 6: Final answer
    x = 14,859,788.10

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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.