Home / 43,447,120.60-65,179,428.90-12,741,640.60

Finding the Fourth Proportional to 43,447,120.60, 65,179,428.90 and 12,741,640.60

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Solution

The fourth proportional to 43,447,120.60, 65,179,428.90 and 12,741,640.60 is: 19,115,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,447,120.60 : 65,179,428.90 = 12,741,640.60 : x
  2. Step 2: Convert to fraction form
    43,447,120.60/65,179,428.90 = 12,741,640.60/x
  3. Step 3: Cross multiply
    43,447,120.60x = 65,179,428.90 × 12,741,640.60
  4. Step 4: Simplify right side
    43,447,120.60x = 830,492,857,557,053.25
  5. Step 5: Solve for x
    x = 830,492,857,557,053.25/43,447,120.60
  6. Step 6: Final answer
    x = 19,115,026.41

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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.