Home / 20,072,728.46-27,694,262.66-11,369,518.22

Finding the Fourth Proportional to 20,072,728.46, 27,694,262.66 and 11,369,518.22

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Solution

The fourth proportional to 20,072,728.46, 27,694,262.66 and 11,369,518.22 is: 15,686,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,728.46 : 27,694,262.66 = 11,369,518.22 : x
  2. Step 2: Convert to fraction form
    20,072,728.46/27,694,262.66 = 11,369,518.22/x
  3. Step 3: Cross multiply
    20,072,728.46x = 27,694,262.66 × 11,369,518.22
  4. Step 4: Simplify right side
    20,072,728.46x = 314,870,423,902,335.69
  5. Step 5: Solve for x
    x = 314,870,423,902,335.69/20,072,728.46
  6. Step 6: Final answer
    x = 15,686,478.52

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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.