Home / 13,532,021.49-20,297,011.51-4,309,621.30

Finding the Fourth Proportional to 13,532,021.49, 20,297,011.51 and 4,309,621.30

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Solution

The fourth proportional to 13,532,021.49, 20,297,011.51 and 4,309,621.30 is: 6,464,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,021.49 : 20,297,011.51 = 4,309,621.30 : x
  2. Step 2: Convert to fraction form
    13,532,021.49/20,297,011.51 = 4,309,621.30/x
  3. Step 3: Cross multiply
    13,532,021.49x = 20,297,011.51 × 4,309,621.30
  4. Step 4: Simplify right side
    13,532,021.49x = 87,472,433,071,000.33
  5. Step 5: Solve for x
    x = 87,472,433,071,000.33/13,532,021.49
  6. Step 6: Final answer
    x = 6,464,106.87

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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.