Home / 51,857,712.07-71,563,495.75-28,652,673.71

Finding the Fourth Proportional to 51,857,712.07, 71,563,495.75 and 28,652,673.71

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Solution

The fourth proportional to 51,857,712.07, 71,563,495.75 and 28,652,673.71 is: 39,540,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,857,712.07 : 71,563,495.75 = 28,652,673.71 : x
  2. Step 2: Convert to fraction form
    51,857,712.07/71,563,495.75 = 28,652,673.71/x
  3. Step 3: Cross multiply
    51,857,712.07x = 71,563,495.75 × 28,652,673.71
  4. Step 4: Simplify right side
    51,857,712.07x = 2,050,485,493,378,998.75
  5. Step 5: Solve for x
    x = 2,050,485,493,378,998.75/51,857,712.07
  6. Step 6: Final answer
    x = 39,540,608.55

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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.