Home / 13,950,859.10-20,881,515.97-7,457,701.88

Finding the Fourth Proportional to 13,950,859.10, 20,881,515.97 and 7,457,701.88

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Solution

The fourth proportional to 13,950,859.10, 20,881,515.97 and 7,457,701.88 is: 11,162,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950,859.10 : 20,881,515.97 = 7,457,701.88 : x
  2. Step 2: Convert to fraction form
    13,950,859.10/20,881,515.97 = 7,457,701.88/x
  3. Step 3: Cross multiply
    13,950,859.10x = 20,881,515.97 × 7,457,701.88
  4. Step 4: Simplify right side
    13,950,859.10x = 155,728,120,940,278.56
  5. Step 5: Solve for x
    x = 155,728,120,940,278.56/13,950,859.10
  6. Step 6: Final answer
    x = 11,162,618.72

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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.