Home / 12,464,063.75-18,698,519.55-4,787,147

Finding the Fourth Proportional to 12,464,063.75, 18,698,519.55 and 4,787,147

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Solution

The fourth proportional to 12,464,063.75, 18,698,519.55 and 4,787,147 is: 7,181,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,063.75 : 18,698,519.55 = 4,787,147 : x
  2. Step 2: Convert to fraction form
    12,464,063.75/18,698,519.55 = 4,787,147/x
  3. Step 3: Cross multiply
    12,464,063.75x = 18,698,519.55 × 4,787,147
  4. Step 4: Simplify right side
    12,464,063.75x = 89,512,561,768,223.86
  5. Step 5: Solve for x
    x = 89,512,561,768,223.86/12,464,063.75
  6. Step 6: Final answer
    x = 7,181,651.47

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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.