Home / 38,216,472.62-52,738,365.21-20,813,108.54

Finding the Fourth Proportional to 38,216,472.62, 52,738,365.21 and 20,813,108.54

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Solution

The fourth proportional to 38,216,472.62, 52,738,365.21 and 20,813,108.54 is: 28,721,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216,472.62 : 52,738,365.21 = 20,813,108.54 : x
  2. Step 2: Convert to fraction form
    38,216,472.62/52,738,365.21 = 20,813,108.54/x
  3. Step 3: Cross multiply
    38,216,472.62x = 52,738,365.21 × 20,813,108.54
  4. Step 4: Simplify right side
    38,216,472.62x = 1,097,649,319,337,889.88
  5. Step 5: Solve for x
    x = 1,097,649,319,337,889.88/38,216,472.62
  6. Step 6: Final answer
    x = 28,721,889.91

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1.5x scale

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.