Home / 13,674,813.42-20,503,108.41-7,529,688.78

Finding the Fourth Proportional to 13,674,813.42, 20,503,108.41 and 7,529,688.78

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Solution

The fourth proportional to 13,674,813.42, 20,503,108.41 and 7,529,688.78 is: 11,289,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,813.42 : 20,503,108.41 = 7,529,688.78 : x
  2. Step 2: Convert to fraction form
    13,674,813.42/20,503,108.41 = 7,529,688.78/x
  3. Step 3: Cross multiply
    13,674,813.42x = 20,503,108.41 × 7,529,688.78
  4. Step 4: Simplify right side
    13,674,813.42x = 154,382,025,349,900.66
  5. Step 5: Solve for x
    x = 154,382,025,349,900.66/13,674,813.42
  6. Step 6: Final answer
    x = 11,289,516.03

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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.