Home / 38,525,063.86-53,164,659.18-20,883,911.86

Finding the Fourth Proportional to 38,525,063.86, 53,164,659.18 and 20,883,911.86

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Solution

The fourth proportional to 38,525,063.86, 53,164,659.18 and 20,883,911.86 is: 28,819,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525,063.86 : 53,164,659.18 = 20,883,911.86 : x
  2. Step 2: Convert to fraction form
    38,525,063.86/53,164,659.18 = 20,883,911.86/x
  3. Step 3: Cross multiply
    38,525,063.86x = 53,164,659.18 × 20,883,911.86
  4. Step 4: Simplify right side
    38,525,063.86x = 1,110,286,056,382,059.88
  5. Step 5: Solve for x
    x = 1,110,286,056,382,059.88/38,525,063.86
  6. Step 6: Final answer
    x = 28,819,836.88

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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.