Home / 18,175,768.47-25,082,630.91-9,916,016.22

Finding the Fourth Proportional to 18,175,768.47, 25,082,630.91 and 9,916,016.22

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Solution

The fourth proportional to 18,175,768.47, 25,082,630.91 and 9,916,016.22 is: 13,684,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,768.47 : 25,082,630.91 = 9,916,016.22 : x
  2. Step 2: Convert to fraction form
    18,175,768.47/25,082,630.91 = 9,916,016.22/x
  3. Step 3: Cross multiply
    18,175,768.47x = 25,082,630.91 × 9,916,016.22
  4. Step 4: Simplify right side
    18,175,768.47x = 248,719,774,943,833.38
  5. Step 5: Solve for x
    x = 248,719,774,943,833.38/18,175,768.47
  6. Step 6: Final answer
    x = 13,684,140.80

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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.