Home / 20,858,073-31,296,077.58-10,083,475.80

Finding the Fourth Proportional to 20,858,073, 31,296,077.58 and 10,083,475.80

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Solution

The fourth proportional to 20,858,073, 31,296,077.58 and 10,083,475.80 is: 15,129,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858,073 : 31,296,077.58 = 10,083,475.80 : x
  2. Step 2: Convert to fraction form
    20,858,073/31,296,077.58 = 10,083,475.80/x
  3. Step 3: Cross multiply
    20,858,073x = 31,296,077.58 × 10,083,475.80
  4. Step 4: Simplify right side
    20,858,073x = 315,573,240,912,852.56
  5. Step 5: Solve for x
    x = 315,573,240,912,852.56/20,858,073
  6. Step 6: Final answer
    x = 15,129,549.16

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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.