Home / 18,077,990.43-27,117,206.36-5,298,753.67

Finding the Fourth Proportional to 18,077,990.43, 27,117,206.36 and 5,298,753.67

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Solution

The fourth proportional to 18,077,990.43, 27,117,206.36 and 5,298,753.67 is: 7,948,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077,990.43 : 27,117,206.36 = 5,298,753.67 : x
  2. Step 2: Convert to fraction form
    18,077,990.43/27,117,206.36 = 5,298,753.67/x
  3. Step 3: Cross multiply
    18,077,990.43x = 27,117,206.36 × 5,298,753.67
  4. Step 4: Simplify right side
    18,077,990.43x = 143,687,396,733,444.22
  5. Step 5: Solve for x
    x = 143,687,396,733,444.22/18,077,990.43
  6. Step 6: Final answer
    x = 7,948,195.20

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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.