Home / 13,893,786.80-20,834,775.12-5,690,773.72

Finding the Fourth Proportional to 13,893,786.80, 20,834,775.12 and 5,690,773.72

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Solution

The fourth proportional to 13,893,786.80, 20,834,775.12 and 5,690,773.72 is: 8,533,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893,786.80 : 20,834,775.12 = 5,690,773.72 : x
  2. Step 2: Convert to fraction form
    13,893,786.80/20,834,775.12 = 5,690,773.72/x
  3. Step 3: Cross multiply
    13,893,786.80x = 20,834,775.12 × 5,690,773.72
  4. Step 4: Simplify right side
    13,893,786.80x = 118,565,990,715,005.84
  5. Step 5: Solve for x
    x = 118,565,990,715,005.84/13,893,786.80
  6. Step 6: Final answer
    x = 8,533,741.91

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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.