Home / 20,080,803.20-27,711,723.20-10,913,446.40

Finding the Fourth Proportional to 20,080,803.20, 27,711,723.20 and 10,913,446.40

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Solution

The fourth proportional to 20,080,803.20, 27,711,723.20 and 10,913,446.40 is: 15,060,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080,803.20 : 27,711,723.20 = 10,913,446.40 : x
  2. Step 2: Convert to fraction form
    20,080,803.20/27,711,723.20 = 10,913,446.40/x
  3. Step 3: Cross multiply
    20,080,803.20x = 27,711,723.20 × 10,913,446.40
  4. Step 4: Simplify right side
    20,080,803.20x = 302,430,405,794,836.50
  5. Step 5: Solve for x
    x = 302,430,405,794,836.50/20,080,803.20
  6. Step 6: Final answer
    x = 15,060,672.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.