Home / 13,698,680.05-18,901,957.04-8,194,329.37

Finding the Fourth Proportional to 13,698,680.05, 18,901,957.04 and 8,194,329.37

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Solution

The fourth proportional to 13,698,680.05, 18,901,957.04 and 8,194,329.37 is: 11,306,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,680.05 : 18,901,957.04 = 8,194,329.37 : x
  2. Step 2: Convert to fraction form
    13,698,680.05/18,901,957.04 = 8,194,329.37/x
  3. Step 3: Cross multiply
    13,698,680.05x = 18,901,957.04 × 8,194,329.37
  4. Step 4: Simplify right side
    13,698,680.05x = 154,888,861,628,840.47
  5. Step 5: Solve for x
    x = 154,888,861,628,840.47/13,698,680.05
  6. Step 6: Final answer
    x = 11,306,845.70

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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.