Home / 10,182,128.55-15,271,716.60-2,992,912.80

Finding the Fourth Proportional to 10,182,128.55, 15,271,716.60 and 2,992,912.80

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Solution

The fourth proportional to 10,182,128.55, 15,271,716.60 and 2,992,912.80 is: 4,488,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182,128.55 : 15,271,716.60 = 2,992,912.80 : x
  2. Step 2: Convert to fraction form
    10,182,128.55/15,271,716.60 = 2,992,912.80/x
  3. Step 3: Cross multiply
    10,182,128.55x = 15,271,716.60 × 2,992,912.80
  4. Step 4: Simplify right side
    10,182,128.55x = 45,706,916,090,112.48
  5. Step 5: Solve for x
    x = 45,706,916,090,112.48/10,182,128.55
  6. Step 6: Final answer
    x = 4,488,935.28

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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.