Home / 15,277,353.18-21,082,327.11-8,401,835.58

Finding the Fourth Proportional to 15,277,353.18, 21,082,327.11 and 8,401,835.58

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Solution

The fourth proportional to 15,277,353.18, 21,082,327.11 and 8,401,835.58 is: 11,594,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,353.18 : 21,082,327.11 = 8,401,835.58 : x
  2. Step 2: Convert to fraction form
    15,277,353.18/21,082,327.11 = 8,401,835.58/x
  3. Step 3: Cross multiply
    15,277,353.18x = 21,082,327.11 × 8,401,835.58
  4. Step 4: Simplify right side
    15,277,353.18x = 177,130,246,021,996.56
  5. Step 5: Solve for x
    x = 177,130,246,021,996.56/15,277,353.18
  6. Step 6: Final answer
    x = 11,594,301.97

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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.