Home / 12,412,664.54-18,618,810-5,584,415.80

Finding the Fourth Proportional to 12,412,664.54, 18,618,810 and 5,584,415.80

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Solution

The fourth proportional to 12,412,664.54, 18,618,810 and 5,584,415.80 is: 8,376,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,664.54 : 18,618,810 = 5,584,415.80 : x
  2. Step 2: Convert to fraction form
    12,412,664.54/18,618,810 = 5,584,415.80/x
  3. Step 3: Cross multiply
    12,412,664.54x = 18,618,810 × 5,584,415.80
  4. Step 4: Simplify right side
    12,412,664.54x = 103,975,176,741,198
  5. Step 5: Solve for x
    x = 103,975,176,741,198/12,412,664.54
  6. Step 6: Final answer
    x = 8,376,539.65

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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.