Home / 31,577,425.28-43,580,627.89-19,189,542.86

Finding the Fourth Proportional to 31,577,425.28, 43,580,627.89 and 19,189,542.86

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Solution

The fourth proportional to 31,577,425.28, 43,580,627.89 and 19,189,542.86 is: 26,483,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577,425.28 : 43,580,627.89 = 19,189,542.86 : x
  2. Step 2: Convert to fraction form
    31,577,425.28/43,580,627.89 = 19,189,542.86/x
  3. Step 3: Cross multiply
    31,577,425.28x = 43,580,627.89 × 19,189,542.86
  4. Step 4: Simplify right side
    31,577,425.28x = 836,292,326,494,989.50
  5. Step 5: Solve for x
    x = 836,292,326,494,989.50/31,577,425.28
  6. Step 6: Final answer
    x = 26,483,866.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.