Home / 21,306,377.16-31,964,300.60-9,940,625.64

Finding the Fourth Proportional to 21,306,377.16, 31,964,300.60 and 9,940,625.64

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Solution

The fourth proportional to 21,306,377.16, 31,964,300.60 and 9,940,625.64 is: 14,913,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,377.16 : 31,964,300.60 = 9,940,625.64 : x
  2. Step 2: Convert to fraction form
    21,306,377.16/31,964,300.60 = 9,940,625.64/x
  3. Step 3: Cross multiply
    21,306,377.16x = 31,964,300.60 × 9,940,625.64
  4. Step 4: Simplify right side
    21,306,377.16x = 317,745,146,059,324.25
  5. Step 5: Solve for x
    x = 317,745,146,059,324.25/21,306,377.16
  6. Step 6: Final answer
    x = 14,913,147.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.