Home / 43,538,782.32-65,317,621.32-13,245,858

Finding the Fourth Proportional to 43,538,782.32, 65,317,621.32 and 13,245,858

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Solution

The fourth proportional to 43,538,782.32, 65,317,621.32 and 13,245,858 is: 19,871,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538,782.32 : 65,317,621.32 = 13,245,858 : x
  2. Step 2: Convert to fraction form
    43,538,782.32/65,317,621.32 = 13,245,858/x
  3. Step 3: Cross multiply
    43,538,782.32x = 65,317,621.32 × 13,245,858
  4. Step 4: Simplify right side
    43,538,782.32x = 865,187,936,902,492.62
  5. Step 5: Solve for x
    x = 865,187,936,902,492.62/43,538,782.32
  6. Step 6: Final answer
    x = 19,871,661.33

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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.