Home / 18,328,740.82-25,292,844.14-10,990,623.17

Finding the Fourth Proportional to 18,328,740.82, 25,292,844.14 and 10,990,623.17

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Solution

The fourth proportional to 18,328,740.82, 25,292,844.14 and 10,990,623.17 is: 15,166,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328,740.82 : 25,292,844.14 = 10,990,623.17 : x
  2. Step 2: Convert to fraction form
    18,328,740.82/25,292,844.14 = 10,990,623.17/x
  3. Step 3: Cross multiply
    18,328,740.82x = 25,292,844.14 × 10,990,623.17
  4. Step 4: Simplify right side
    18,328,740.82x = 277,984,118,848,561.72
  5. Step 5: Solve for x
    x = 277,984,118,848,561.72/18,328,740.82
  6. Step 6: Final answer
    x = 15,166,569.36

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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.