Home / 20,207,997.36-30,291,566.76-8,700,968.88

Finding the Fourth Proportional to 20,207,997.36, 30,291,566.76 and 8,700,968.88

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Solution

The fourth proportional to 20,207,997.36, 30,291,566.76 and 8,700,968.88 is: 13,042,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,997.36 : 30,291,566.76 = 8,700,968.88 : x
  2. Step 2: Convert to fraction form
    20,207,997.36/30,291,566.76 = 8,700,968.88/x
  3. Step 3: Cross multiply
    20,207,997.36x = 30,291,566.76 × 8,700,968.88
  4. Step 4: Simplify right side
    20,207,997.36x = 263,565,979,705,202.47
  5. Step 5: Solve for x
    x = 263,565,979,705,202.47/20,207,997.36
  6. Step 6: Final answer
    x = 13,042,657.07

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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.