Home / 20,608,476.71-31,060,846.46-17,764,172.64

Finding the Fourth Proportional to 20,608,476.71, 31,060,846.46 and 17,764,172.64

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Solution

The fourth proportional to 20,608,476.71, 31,060,846.46 and 17,764,172.64 is: 26,773,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608,476.71 : 31,060,846.46 = 17,764,172.64 : x
  2. Step 2: Convert to fraction form
    20,608,476.71/31,060,846.46 = 17,764,172.64/x
  3. Step 3: Cross multiply
    20,608,476.71x = 31,060,846.46 × 17,764,172.64
  4. Step 4: Simplify right side
    20,608,476.71x = 551,770,238,804,477.56
  5. Step 5: Solve for x
    x = 551,770,238,804,477.56/20,608,476.71
  6. Step 6: Final answer
    x = 26,773,945.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.