Home / 13,483,010.70-20,224,516.05-7,800,309.90

Finding the Fourth Proportional to 13,483,010.70, 20,224,516.05 and 7,800,309.90

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Solution

The fourth proportional to 13,483,010.70, 20,224,516.05 and 7,800,309.90 is: 11,700,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,010.70 : 20,224,516.05 = 7,800,309.90 : x
  2. Step 2: Convert to fraction form
    13,483,010.70/20,224,516.05 = 7,800,309.90/x
  3. Step 3: Cross multiply
    13,483,010.70x = 20,224,516.05 × 7,800,309.90
  4. Step 4: Simplify right side
    13,483,010.70x = 157,757,492,767,523.91
  5. Step 5: Solve for x
    x = 157,757,492,767,523.91/13,483,010.70
  6. Step 6: Final answer
    x = 11,700,464.85

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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.