Home / 13,950,859.85-20,881,517.09-7,457,702.64

Finding the Fourth Proportional to 13,950,859.85, 20,881,517.09 and 7,457,702.64

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Solution

The fourth proportional to 13,950,859.85, 20,881,517.09 and 7,457,702.64 is: 11,162,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950,859.85 : 20,881,517.09 = 7,457,702.64 : x
  2. Step 2: Convert to fraction form
    13,950,859.85/20,881,517.09 = 7,457,702.64/x
  3. Step 3: Cross multiply
    13,950,859.85x = 20,881,517.09 × 7,457,702.64
  4. Step 4: Simplify right side
    13,950,859.85x = 155,728,145,092,009.59
  5. Step 5: Solve for x
    x = 155,728,145,092,009.59/13,950,859.85
  6. Step 6: Final answer
    x = 11,162,619.85

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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.