Home / 15,277,356.18-21,082,331.25-8,401,838.58

Finding the Fourth Proportional to 15,277,356.18, 21,082,331.25 and 8,401,838.58

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Solution

The fourth proportional to 15,277,356.18, 21,082,331.25 and 8,401,838.58 is: 11,594,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,356.18 : 21,082,331.25 = 8,401,838.58 : x
  2. Step 2: Convert to fraction form
    15,277,356.18/21,082,331.25 = 8,401,838.58/x
  3. Step 3: Cross multiply
    15,277,356.18x = 21,082,331.25 × 8,401,838.58
  4. Step 4: Simplify right side
    15,277,356.18x = 177,130,344,052,589.62
  5. Step 5: Solve for x
    x = 177,130,344,052,589.62/15,277,356.18
  6. Step 6: Final answer
    x = 11,594,306.11

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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.