Home / 30,191,353.79-45,245,132.46-13,756,473.59

Finding the Fourth Proportional to 30,191,353.79, 45,245,132.46 and 13,756,473.59

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Solution

The fourth proportional to 30,191,353.79, 45,245,132.46 and 13,756,473.59 is: 20,615,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191,353.79 : 45,245,132.46 = 13,756,473.59 : x
  2. Step 2: Convert to fraction form
    30,191,353.79/45,245,132.46 = 13,756,473.59/x
  3. Step 3: Cross multiply
    30,191,353.79x = 45,245,132.46 × 13,756,473.59
  4. Step 4: Simplify right side
    30,191,353.79x = 622,413,469,535,816.12
  5. Step 5: Solve for x
    x = 622,413,469,535,816.12/30,191,353.79
  6. Step 6: Final answer
    x = 20,615,619.76

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1.5x scale

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.