Home / 20,490,002.40-30,714,008.40-11,965,951.20

Finding the Fourth Proportional to 20,490,002.40, 30,714,008.40 and 11,965,951.20

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Solution

The fourth proportional to 20,490,002.40, 30,714,008.40 and 11,965,951.20 is: 17,936,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,490,002.40 : 30,714,008.40 = 11,965,951.20 : x
  2. Step 2: Convert to fraction form
    20,490,002.40/30,714,008.40 = 11,965,951.20/x
  3. Step 3: Cross multiply
    20,490,002.40x = 30,714,008.40 × 11,965,951.20
  4. Step 4: Simplify right side
    20,490,002.40x = 367,522,325,670,790.06
  5. Step 5: Solve for x
    x = 367,522,325,670,790.06/20,490,002.40
  6. Step 6: Final answer
    x = 17,936,665.82

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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.