Home / 12,962,636.51-19,443,961.25-3,377,990.75

Finding the Fourth Proportional to 12,962,636.51, 19,443,961.25 and 3,377,990.75

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Solution

The fourth proportional to 12,962,636.51, 19,443,961.25 and 3,377,990.75 is: 5,066,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962,636.51 : 19,443,961.25 = 3,377,990.75 : x
  2. Step 2: Convert to fraction form
    12,962,636.51/19,443,961.25 = 3,377,990.75/x
  3. Step 3: Cross multiply
    12,962,636.51x = 19,443,961.25 × 3,377,990.75
  4. Step 4: Simplify right side
    12,962,636.51x = 65,681,521,131,748.68
  5. Step 5: Solve for x
    x = 65,681,521,131,748.68/12,962,636.51
  6. Step 6: Final answer
    x = 5,066,987.81

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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.