Home / 14,865,772.37-20,515,441.80-8,670,941.78

Finding the Fourth Proportional to 14,865,772.37, 20,515,441.80 and 8,670,941.78

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Solution

The fourth proportional to 14,865,772.37, 20,515,441.80 and 8,670,941.78 is: 11,966,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865,772.37 : 20,515,441.80 = 8,670,941.78 : x
  2. Step 2: Convert to fraction form
    14,865,772.37/20,515,441.80 = 8,670,941.78/x
  3. Step 3: Cross multiply
    14,865,772.37x = 20,515,441.80 × 8,670,941.78
  4. Step 4: Simplify right side
    14,865,772.37x = 177,888,201,438,778.41
  5. Step 5: Solve for x
    x = 177,888,201,438,778.41/14,865,772.37
  6. Step 6: Final answer
    x = 11,966,293.91

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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.