Home / 11,374,486.40-17,061,729.60-7,548,111.20

Finding the Fourth Proportional to 11,374,486.40, 17,061,729.60 and 7,548,111.20

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Solution

The fourth proportional to 11,374,486.40, 17,061,729.60 and 7,548,111.20 is: 11,322,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374,486.40 : 17,061,729.60 = 7,548,111.20 : x
  2. Step 2: Convert to fraction form
    11,374,486.40/17,061,729.60 = 7,548,111.20/x
  3. Step 3: Cross multiply
    11,374,486.40x = 17,061,729.60 × 7,548,111.20
  4. Step 4: Simplify right side
    11,374,486.40x = 128,783,832,285,131.53
  5. Step 5: Solve for x
    x = 128,783,832,285,131.53/11,374,486.40
  6. Step 6: Final answer
    x = 11,322,166.80

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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.