Home / 20,752,693.45-31,104,274.12-9,658,836.38

Finding the Fourth Proportional to 20,752,693.45, 31,104,274.12 and 9,658,836.38

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Solution

The fourth proportional to 20,752,693.45, 31,104,274.12 and 9,658,836.38 is: 14,476,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,693.45 : 31,104,274.12 = 9,658,836.38 : x
  2. Step 2: Convert to fraction form
    20,752,693.45/31,104,274.12 = 9,658,836.38/x
  3. Step 3: Cross multiply
    20,752,693.45x = 31,104,274.12 × 9,658,836.38
  4. Step 4: Simplify right side
    20,752,693.45x = 300,431,094,497,362.06
  5. Step 5: Solve for x
    x = 300,431,094,497,362.06/20,752,693.45
  6. Step 6: Final answer
    x = 14,476,727.82

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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.