Home / 12,381,704.10-17,086,751.60-6,949,196.10

Finding the Fourth Proportional to 12,381,704.10, 17,086,751.60 and 6,949,196.10

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Solution

The fourth proportional to 12,381,704.10, 17,086,751.60 and 6,949,196.10 is: 9,589,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,704.10 : 17,086,751.60 = 6,949,196.10 : x
  2. Step 2: Convert to fraction form
    12,381,704.10/17,086,751.60 = 6,949,196.10/x
  3. Step 3: Cross multiply
    12,381,704.10x = 17,086,751.60 × 6,949,196.10
  4. Step 4: Simplify right side
    12,381,704.10x = 118,739,187,545,642.77
  5. Step 5: Solve for x
    x = 118,739,187,545,642.77/12,381,704.10
  6. Step 6: Final answer
    x = 9,589,890.58

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1.5x scale

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.