Home / 13,529,659.47-20,292,328.86-3,942,795.52

Finding the Fourth Proportional to 13,529,659.47, 20,292,328.86 and 3,942,795.52

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Solution

The fourth proportional to 13,529,659.47, 20,292,328.86 and 3,942,795.52 is: 5,913,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529,659.47 : 20,292,328.86 = 3,942,795.52 : x
  2. Step 2: Convert to fraction form
    13,529,659.47/20,292,328.86 = 3,942,795.52/x
  3. Step 3: Cross multiply
    13,529,659.47x = 20,292,328.86 × 3,942,795.52
  4. Step 4: Simplify right side
    13,529,659.47x = 80,008,503,319,574.70
  5. Step 5: Solve for x
    x = 80,008,503,319,574.70/13,529,659.47
  6. Step 6: Final answer
    x = 5,913,563.72

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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.