Home / 31,243,824.76-43,115,996.64-17,493,280.96

Finding the Fourth Proportional to 31,243,824.76, 43,115,996.64 and 17,493,280.96

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Solution

The fourth proportional to 31,243,824.76, 43,115,996.64 and 17,493,280.96 is: 24,140,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243,824.76 : 43,115,996.64 = 17,493,280.96 : x
  2. Step 2: Convert to fraction form
    31,243,824.76/43,115,996.64 = 17,493,280.96/x
  3. Step 3: Cross multiply
    31,243,824.76x = 43,115,996.64 × 17,493,280.96
  4. Step 4: Simplify right side
    31,243,824.76x = 754,240,243,093,936
  5. Step 5: Solve for x
    x = 754,240,243,093,936/31,243,824.76
  6. Step 6: Final answer
    x = 24,140,458.12

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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.