Home / 13,885,685.21-20,829,896.75-4,786,584.91

Finding the Fourth Proportional to 13,885,685.21, 20,829,896.75 and 4,786,584.91

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Solution

The fourth proportional to 13,885,685.21, 20,829,896.75 and 4,786,584.91 is: 7,180,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,685.21 : 20,829,896.75 = 4,786,584.91 : x
  2. Step 2: Convert to fraction form
    13,885,685.21/20,829,896.75 = 4,786,584.91/x
  3. Step 3: Cross multiply
    13,885,685.21x = 20,829,896.75 × 4,786,584.91
  4. Step 4: Simplify right side
    13,885,685.21x = 99,704,069,420,299.77
  5. Step 5: Solve for x
    x = 99,704,069,420,299.77/13,885,685.21
  6. Step 6: Final answer
    x = 7,180,349.25

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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.