Home / 20,652,453.90-31,002,546.49-11,086,515.90

Finding the Fourth Proportional to 20,652,453.90, 31,002,546.49 and 11,086,515.90

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Solution

The fourth proportional to 20,652,453.90, 31,002,546.49 and 11,086,515.90 is: 16,642,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652,453.90 : 31,002,546.49 = 11,086,515.90 : x
  2. Step 2: Convert to fraction form
    20,652,453.90/31,002,546.49 = 11,086,515.90/x
  3. Step 3: Cross multiply
    20,652,453.90x = 31,002,546.49 × 11,086,515.90
  4. Step 4: Simplify right side
    20,652,453.90x = 343,710,224,574,157.94
  5. Step 5: Solve for x
    x = 343,710,224,574,157.94/20,652,453.90
  6. Step 6: Final answer
    x = 16,642,585.25

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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.