Home / 38,761,846.20-53,493,730.56-21,358,186.88

Finding the Fourth Proportional to 38,761,846.20, 53,493,730.56 and 21,358,186.88

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Solution

The fourth proportional to 38,761,846.20, 53,493,730.56 and 21,358,186.88 is: 29,475,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761,846.20 : 53,493,730.56 = 21,358,186.88 : x
  2. Step 2: Convert to fraction form
    38,761,846.20/53,493,730.56 = 21,358,186.88/x
  3. Step 3: Cross multiply
    38,761,846.20x = 53,493,730.56 × 21,358,186.88
  4. Step 4: Simplify right side
    38,761,846.20x = 1,142,529,093,941,378.50
  5. Step 5: Solve for x
    x = 1,142,529,093,941,378.50/38,761,846.20
  6. Step 6: Final answer
    x = 29,475,610.84

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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.