Home / 15,289,571.60-21,099,611.69-8,414,053.66

Finding the Fourth Proportional to 15,289,571.60, 21,099,611.69 and 8,414,053.66

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Solution

The fourth proportional to 15,289,571.60, 21,099,611.69 and 8,414,053.66 is: 11,611,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,571.60 : 21,099,611.69 = 8,414,053.66 : x
  2. Step 2: Convert to fraction form
    15,289,571.60/21,099,611.69 = 8,414,053.66/x
  3. Step 3: Cross multiply
    15,289,571.60x = 21,099,611.69 × 8,414,053.66
  4. Step 4: Simplify right side
    15,289,571.60x = 177,533,264,933,109.41
  5. Step 5: Solve for x
    x = 177,533,264,933,109.41/15,289,571.60
  6. Step 6: Final answer
    x = 11,611,395.64

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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.