Home / 12,740,584.40-19,118,249.40-4,763,214.80

Finding the Fourth Proportional to 12,740,584.40, 19,118,249.40 and 4,763,214.80

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Solution

The fourth proportional to 12,740,584.40, 19,118,249.40 and 4,763,214.80 is: 7,147,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740,584.40 : 19,118,249.40 = 4,763,214.80 : x
  2. Step 2: Convert to fraction form
    12,740,584.40/19,118,249.40 = 4,763,214.80/x
  3. Step 3: Cross multiply
    12,740,584.40x = 19,118,249.40 × 4,763,214.80
  4. Step 4: Simplify right side
    12,740,584.40x = 91,064,328,492,171.11
  5. Step 5: Solve for x
    x = 91,064,328,492,171.11/12,740,584.40
  6. Step 6: Final answer
    x = 7,147,578.61

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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.