Home / 38,647,754.91-53,334,012.40-22,128,132.86

Finding the Fourth Proportional to 38,647,754.91, 53,334,012.40 and 22,128,132.86

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Solution

The fourth proportional to 38,647,754.91, 53,334,012.40 and 22,128,132.86 is: 30,536,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,754.91 : 53,334,012.40 = 22,128,132.86 : x
  2. Step 2: Convert to fraction form
    38,647,754.91/53,334,012.40 = 22,128,132.86/x
  3. Step 3: Cross multiply
    38,647,754.91x = 53,334,012.40 × 22,128,132.86
  4. Step 4: Simplify right side
    38,647,754.91x = 1,180,182,112,222,099.75
  5. Step 5: Solve for x
    x = 1,180,182,112,222,099.75/38,647,754.91
  6. Step 6: Final answer
    x = 30,536,886.68

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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.