Home / 13,580,166.12-20,379,223.40-6,393,755.19

Finding the Fourth Proportional to 13,580,166.12, 20,379,223.40 and 6,393,755.19

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Solution

The fourth proportional to 13,580,166.12, 20,379,223.40 and 6,393,755.19 is: 9,594,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,166.12 : 20,379,223.40 = 6,393,755.19 : x
  2. Step 2: Convert to fraction form
    13,580,166.12/20,379,223.40 = 6,393,755.19/x
  3. Step 3: Cross multiply
    13,580,166.12x = 20,379,223.40 × 6,393,755.19
  4. Step 4: Simplify right side
    13,580,166.12x = 130,299,765,397,903.84
  5. Step 5: Solve for x
    x = 130,299,765,397,903.84/13,580,166.12
  6. Step 6: Final answer
    x = 9,594,857.99

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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.