Home / 12,838,608.99-17,706,949.65-11,286,552.15

Finding the Fourth Proportional to 12,838,608.99, 17,706,949.65 and 11,286,552.15

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Solution

The fourth proportional to 12,838,608.99, 17,706,949.65 and 11,286,552.15 is: 15,566,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,608.99 : 17,706,949.65 = 11,286,552.15 : x
  2. Step 2: Convert to fraction form
    12,838,608.99/17,706,949.65 = 11,286,552.15/x
  3. Step 3: Cross multiply
    12,838,608.99x = 17,706,949.65 × 11,286,552.15
  4. Step 4: Simplify right side
    12,838,608.99x = 199,850,410,642,149.25
  5. Step 5: Solve for x
    x = 199,850,410,642,149.25/12,838,608.99
  6. Step 6: Final answer
    x = 15,566,360.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.