Home / 13,538,693.52-20,307,778.20-3,303,619.92

Finding the Fourth Proportional to 13,538,693.52, 20,307,778.20 and 3,303,619.92

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Solution

The fourth proportional to 13,538,693.52, 20,307,778.20 and 3,303,619.92 is: 4,955,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538,693.52 : 20,307,778.20 = 3,303,619.92 : x
  2. Step 2: Convert to fraction form
    13,538,693.52/20,307,778.20 = 3,303,619.92/x
  3. Step 3: Cross multiply
    13,538,693.52x = 20,307,778.20 × 3,303,619.92
  4. Step 4: Simplify right side
    13,538,693.52x = 67,089,180,592,461.74
  5. Step 5: Solve for x
    x = 67,089,180,592,461.74/13,538,693.52
  6. Step 6: Final answer
    x = 4,955,365.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.