Home / 38,525,026.86-53,164,608.12-20,883,874.86

Finding the Fourth Proportional to 38,525,026.86, 53,164,608.12 and 20,883,874.86

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Solution

The fourth proportional to 38,525,026.86, 53,164,608.12 and 20,883,874.86 is: 28,819,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525,026.86 : 53,164,608.12 = 20,883,874.86 : x
  2. Step 2: Convert to fraction form
    38,525,026.86/53,164,608.12 = 20,883,874.86/x
  3. Step 3: Cross multiply
    38,525,026.86x = 53,164,608.12 × 20,883,874.86
  4. Step 4: Simplify right side
    38,525,026.86x = 1,110,283,022,959,019.75
  5. Step 5: Solve for x
    x = 1,110,283,022,959,019.75/38,525,026.86
  6. Step 6: Final answer
    x = 28,819,785.82

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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.