Home / 20,571,711.10-30,857,566.65-17,237,362.30

Finding the Fourth Proportional to 20,571,711.10, 30,857,566.65 and 17,237,362.30

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Solution

The fourth proportional to 20,571,711.10, 30,857,566.65 and 17,237,362.30 is: 25,856,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,711.10 : 30,857,566.65 = 17,237,362.30 : x
  2. Step 2: Convert to fraction form
    20,571,711.10/30,857,566.65 = 17,237,362.30/x
  3. Step 3: Cross multiply
    20,571,711.10x = 30,857,566.65 × 17,237,362.30
  4. Step 4: Simplify right side
    20,571,711.10x = 531,903,056,042,447.31
  5. Step 5: Solve for x
    x = 531,903,056,042,447.31/20,571,711.10
  6. Step 6: Final answer
    x = 25,856,043.45

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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.