Home / 18,175,770.47-25,082,633.67-9,916,018.22

Finding the Fourth Proportional to 18,175,770.47, 25,082,633.67 and 9,916,018.22

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Solution

The fourth proportional to 18,175,770.47, 25,082,633.67 and 9,916,018.22 is: 13,684,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,770.47 : 25,082,633.67 = 9,916,018.22 : x
  2. Step 2: Convert to fraction form
    18,175,770.47/25,082,633.67 = 9,916,018.22/x
  3. Step 3: Cross multiply
    18,175,770.47x = 25,082,633.67 × 9,916,018.22
  4. Step 4: Simplify right side
    18,175,770.47x = 248,719,852,477,305.50
  5. Step 5: Solve for x
    x = 248,719,852,477,305.50/18,175,770.47
  6. Step 6: Final answer
    x = 13,684,143.56

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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.