Home / 37,495,139.76-51,741,211.32-20,972,072.88

Finding the Fourth Proportional to 37,495,139.76, 51,741,211.32 and 20,972,072.88

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Solution

The fourth proportional to 37,495,139.76, 51,741,211.32 and 20,972,072.88 is: 28,940,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,495,139.76 : 51,741,211.32 = 20,972,072.88 : x
  2. Step 2: Convert to fraction form
    37,495,139.76/51,741,211.32 = 20,972,072.88/x
  3. Step 3: Cross multiply
    37,495,139.76x = 51,741,211.32 × 20,972,072.88
  4. Step 4: Simplify right side
    37,495,139.76x = 1,085,120,454,702,521
  5. Step 5: Solve for x
    x = 1,085,120,454,702,521/37,495,139.76
  6. Step 6: Final answer
    x = 28,940,296.31

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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.