Home / 51,791,889.34-71,472,813.51-28,587,022.57

Finding the Fourth Proportional to 51,791,889.34, 71,472,813.51 and 28,587,022.57

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Solution

The fourth proportional to 51,791,889.34, 71,472,813.51 and 28,587,022.57 is: 39,450,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791,889.34 : 71,472,813.51 = 28,587,022.57 : x
  2. Step 2: Convert to fraction form
    51,791,889.34/71,472,813.51 = 28,587,022.57/x
  3. Step 3: Cross multiply
    51,791,889.34x = 71,472,813.51 × 28,587,022.57
  4. Step 4: Simplify right side
    51,791,889.34x = 2,043,194,932,951,771
  5. Step 5: Solve for x
    x = 2,043,194,932,951,771/51,791,889.34
  6. Step 6: Final answer
    x = 39,450,094.58

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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.