Home / 14,865,771.13-20,515,440.08-8,670,940.54

Finding the Fourth Proportional to 14,865,771.13, 20,515,440.08 and 8,670,940.54

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Solution

The fourth proportional to 14,865,771.13, 20,515,440.08 and 8,670,940.54 is: 11,966,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865,771.13 : 20,515,440.08 = 8,670,940.54 : x
  2. Step 2: Convert to fraction form
    14,865,771.13/20,515,440.08 = 8,670,940.54/x
  3. Step 3: Cross multiply
    14,865,771.13x = 20,515,440.08 × 8,670,940.54
  4. Step 4: Simplify right side
    14,865,771.13x = 177,888,160,990,969.53
  5. Step 5: Solve for x
    x = 177,888,160,990,969.53/14,865,771.13
  6. Step 6: Final answer
    x = 11,966,292.19

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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.