Home / 31,475,128.56-47,212,777.08-8,756,028.24

Finding the Fourth Proportional to 31,475,128.56, 47,212,777.08 and 8,756,028.24

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Solution

The fourth proportional to 31,475,128.56, 47,212,777.08 and 8,756,028.24 is: 13,134,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475,128.56 : 47,212,777.08 = 8,756,028.24 : x
  2. Step 2: Convert to fraction form
    31,475,128.56/47,212,777.08 = 8,756,028.24/x
  3. Step 3: Cross multiply
    31,475,128.56x = 47,212,777.08 × 8,756,028.24
  4. Step 4: Simplify right side
    31,475,128.56x = 413,396,409,401,304.75
  5. Step 5: Solve for x
    x = 413,396,409,401,304.75/31,475,128.56
  6. Step 6: Final answer
    x = 13,134,065.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.