Home / 36,864,043.20-55,296,064.80-20,739,729.60

Finding the Fourth Proportional to 36,864,043.20, 55,296,064.80 and 20,739,729.60

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Solution

The fourth proportional to 36,864,043.20, 55,296,064.80 and 20,739,729.60 is: 31,109,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,864,043.20 : 55,296,064.80 = 20,739,729.60 : x
  2. Step 2: Convert to fraction form
    36,864,043.20/55,296,064.80 = 20,739,729.60/x
  3. Step 3: Cross multiply
    36,864,043.20x = 55,296,064.80 × 20,739,729.60
  4. Step 4: Simplify right side
    36,864,043.20x = 1,146,825,431,896,078
  5. Step 5: Solve for x
    x = 1,146,825,431,896,078/36,864,043.20
  6. Step 6: Final answer
    x = 31,109,594.40

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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.