Home / 15,277,200.89-21,082,244.81-8,401,682.93

Finding the Fourth Proportional to 15,277,200.89, 21,082,244.81 and 8,401,682.93

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Solution

The fourth proportional to 15,277,200.89, 21,082,244.81 and 8,401,682.93 is: 11,594,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,200.89 : 21,082,244.81 = 8,401,682.93 : x
  2. Step 2: Convert to fraction form
    15,277,200.89/21,082,244.81 = 8,401,682.93/x
  3. Step 3: Cross multiply
    15,277,200.89x = 21,082,244.81 × 8,401,682.93
  4. Step 4: Simplify right side
    15,277,200.89x = 177,126,336,198,838.47
  5. Step 5: Solve for x
    x = 177,126,336,198,838.47/15,277,200.89
  6. Step 6: Final answer
    x = 11,594,161.62

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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.