Home / 38,523,490.75-53,162,404.41-21,119,462.56

Finding the Fourth Proportional to 38,523,490.75, 53,162,404.41 and 21,119,462.56

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Solution

The fourth proportional to 38,523,490.75, 53,162,404.41 and 21,119,462.56 is: 29,144,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523,490.75 : 53,162,404.41 = 21,119,462.56 : x
  2. Step 2: Convert to fraction form
    38,523,490.75/53,162,404.41 = 21,119,462.56/x
  3. Step 3: Cross multiply
    38,523,490.75x = 53,162,404.41 × 21,119,462.56
  4. Step 4: Simplify right side
    38,523,490.75x = 1,122,761,409,536,573.75
  5. Step 5: Solve for x
    x = 1,122,761,409,536,573.75/38,523,490.75
  6. Step 6: Final answer
    x = 29,144,851.30

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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.