Home / 18,175,859.92-25,082,767.83-9,915,897.07

Finding the Fourth Proportional to 18,175,859.92, 25,082,767.83 and 9,915,897.07

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Solution

The fourth proportional to 18,175,859.92, 25,082,767.83 and 9,915,897.07 is: 13,683,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,859.92 : 25,082,767.83 = 9,915,897.07 : x
  2. Step 2: Convert to fraction form
    18,175,859.92/25,082,767.83 = 9,915,897.07/x
  3. Step 3: Cross multiply
    18,175,859.92x = 25,082,767.83 × 9,915,897.07
  4. Step 4: Simplify right side
    18,175,859.92x = 248,718,144,032,987.25
  5. Step 5: Solve for x
    x = 248,718,144,032,987.25/18,175,859.92
  6. Step 6: Final answer
    x = 13,683,982.22

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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.