Home / 18,968,440.37-28,455,623.94-6,185,972.12

Finding the Fourth Proportional to 18,968,440.37, 28,455,623.94 and 6,185,972.12

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Solution

The fourth proportional to 18,968,440.37, 28,455,623.94 and 6,185,972.12 is: 9,279,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,440.37 : 28,455,623.94 = 6,185,972.12 : x
  2. Step 2: Convert to fraction form
    18,968,440.37/28,455,623.94 = 6,185,972.12/x
  3. Step 3: Cross multiply
    18,968,440.37x = 28,455,623.94 × 6,185,972.12
  4. Step 4: Simplify right side
    18,968,440.37x = 176,025,696,350,044.56
  5. Step 5: Solve for x
    x = 176,025,696,350,044.56/18,968,440.37
  6. Step 6: Final answer
    x = 9,279,924.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.