Home / 13,315,371.75-18,375,031.44-7,435,096.70

Finding the Fourth Proportional to 13,315,371.75, 18,375,031.44 and 7,435,096.70

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Solution

The fourth proportional to 13,315,371.75, 18,375,031.44 and 7,435,096.70 is: 10,260,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,371.75 : 18,375,031.44 = 7,435,096.70 : x
  2. Step 2: Convert to fraction form
    13,315,371.75/18,375,031.44 = 7,435,096.70/x
  3. Step 3: Cross multiply
    13,315,371.75x = 18,375,031.44 × 7,435,096.70
  4. Step 4: Simplify right side
    13,315,371.75x = 136,620,135,530,065.11
  5. Step 5: Solve for x
    x = 136,620,135,530,065.11/13,315,371.75
  6. Step 6: Final answer
    x = 10,260,332.05

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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.