Home / 11,872,877.21-16,384,848.01-6,645,755.35

Finding the Fourth Proportional to 11,872,877.21, 16,384,848.01 and 6,645,755.35

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Solution

The fourth proportional to 11,872,877.21, 16,384,848.01 and 6,645,755.35 is: 9,171,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872,877.21 : 16,384,848.01 = 6,645,755.35 : x
  2. Step 2: Convert to fraction form
    11,872,877.21/16,384,848.01 = 6,645,755.35/x
  3. Step 3: Cross multiply
    11,872,877.21x = 16,384,848.01 × 6,645,755.35
  4. Step 4: Simplify right side
    11,872,877.21x = 108,889,691,263,817.84
  5. Step 5: Solve for x
    x = 108,889,691,263,817.84/11,872,877.21
  6. Step 6: Final answer
    x = 9,171,297.69

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