Home / 15,772,639.38-21,757,967.31-13,703,004.73

Finding the Fourth Proportional to 15,772,639.38, 21,757,967.31 and 13,703,004.73

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Solution

The fourth proportional to 15,772,639.38, 21,757,967.31 and 13,703,004.73 is: 18,902,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,639.38 : 21,757,967.31 = 13,703,004.73 : x
  2. Step 2: Convert to fraction form
    15,772,639.38/21,757,967.31 = 13,703,004.73/x
  3. Step 3: Cross multiply
    15,772,639.38x = 21,757,967.31 × 13,703,004.73
  4. Step 4: Simplify right side
    15,772,639.38x = 298,149,528,964,115.38
  5. Step 5: Solve for x
    x = 298,149,528,964,115.38/15,772,639.38
  6. Step 6: Final answer
    x = 18,902,957.32

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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.