Home / 13,743,629.70-20,615,444.55-13,428,701.70

Finding the Fourth Proportional to 13,743,629.70, 20,615,444.55 and 13,428,701.70

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Solution

The fourth proportional to 13,743,629.70, 20,615,444.55 and 13,428,701.70 is: 20,143,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,629.70 : 20,615,444.55 = 13,428,701.70 : x
  2. Step 2: Convert to fraction form
    13,743,629.70/20,615,444.55 = 13,428,701.70/x
  3. Step 3: Cross multiply
    13,743,629.70x = 20,615,444.55 × 13,428,701.70
  4. Step 4: Simplify right side
    13,743,629.70x = 276,838,655,274,840.72
  5. Step 5: Solve for x
    x = 276,838,655,274,840.72/13,743,629.70
  6. Step 6: Final answer
    x = 20,143,052.55

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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.