Home / 23,485,343.20-35,228,014.80-20,499,359.20

Finding the Fourth Proportional to 23,485,343.20, 35,228,014.80 and 20,499,359.20

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Solution

The fourth proportional to 23,485,343.20, 35,228,014.80 and 20,499,359.20 is: 30,749,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,485,343.20 : 35,228,014.80 = 20,499,359.20 : x
  2. Step 2: Convert to fraction form
    23,485,343.20/35,228,014.80 = 20,499,359.20/x
  3. Step 3: Cross multiply
    23,485,343.20x = 35,228,014.80 × 20,499,359.20
  4. Step 4: Simplify right side
    23,485,343.20x = 722,151,729,288,116.12
  5. Step 5: Solve for x
    x = 722,151,729,288,116.12/23,485,343.20
  6. Step 6: Final answer
    x = 30,749,038.80

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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.