Home / 18,691,954.72-28,037,706.49-4,857,688.00

Finding the Fourth Proportional to 18,691,954.72, 28,037,706.49 and 4,857,688.00

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Solution

The fourth proportional to 18,691,954.72, 28,037,706.49 and 4,857,688.00 is: 7,286,473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691,954.72 : 28,037,706.49 = 4,857,688.00 : x
  2. Step 2: Convert to fraction form
    18,691,954.72/28,037,706.49 = 4,857,688.00/x
  3. Step 3: Cross multiply
    18,691,954.72x = 28,037,706.49 × 4,857,688.00
  4. Step 4: Simplify right side
    18,691,954.72x = 136,198,430,405,114.36
  5. Step 5: Solve for x
    x = 136,198,430,405,114.36/18,691,954.72
  6. Step 6: Final answer
    x = 7,286,473.38

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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.