Home / 43,370,016.53-65,048,625.69-12,656,349.25

Finding the Fourth Proportional to 43,370,016.53, 65,048,625.69 and 12,656,349.25

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Solution

The fourth proportional to 43,370,016.53, 65,048,625.69 and 12,656,349.25 is: 18,982,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,370,016.53 : 65,048,625.69 = 12,656,349.25 : x
  2. Step 2: Convert to fraction form
    43,370,016.53/65,048,625.69 = 12,656,349.25/x
  3. Step 3: Cross multiply
    43,370,016.53x = 65,048,625.69 × 12,656,349.25
  4. Step 4: Simplify right side
    43,370,016.53x = 823,278,124,639,919
  5. Step 5: Solve for x
    x = 823,278,124,639,919/43,370,016.53
  6. Step 6: Final answer
    x = 18,982,656.46

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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.