Home / 43,407,003.60-65,120,873.40-13,115,163.60

Finding the Fourth Proportional to 43,407,003.60, 65,120,873.40 and 13,115,163.60

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Solution

The fourth proportional to 43,407,003.60, 65,120,873.40 and 13,115,163.60 is: 19,675,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,407,003.60 : 65,120,873.40 = 13,115,163.60 : x
  2. Step 2: Convert to fraction form
    43,407,003.60/65,120,873.40 = 13,115,163.60/x
  3. Step 3: Cross multiply
    43,407,003.60x = 65,120,873.40 × 13,115,163.60
  4. Step 4: Simplify right side
    43,407,003.60x = 854,070,908,415,888.25
  5. Step 5: Solve for x
    x = 854,070,908,415,888.25/43,407,003.60
  6. Step 6: Final answer
    x = 19,675,878.03

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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.