Home / 13,716,839.70-18,920,562.93-8,813,634.30

Finding the Fourth Proportional to 13,716,839.70, 18,920,562.93 and 8,813,634.30

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Solution

The fourth proportional to 13,716,839.70, 18,920,562.93 and 8,813,634.30 is: 12,157,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716,839.70 : 18,920,562.93 = 8,813,634.30 : x
  2. Step 2: Convert to fraction form
    13,716,839.70/18,920,562.93 = 8,813,634.30/x
  3. Step 3: Cross multiply
    13,716,839.70x = 18,920,562.93 × 8,813,634.30
  4. Step 4: Simplify right side
    13,716,839.70x = 166,758,922,415,156.50
  5. Step 5: Solve for x
    x = 166,758,922,415,156.50/13,716,839.70
  6. Step 6: Final answer
    x = 12,157,240.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.