Home / 11,998,970.72-17,999,254.19-4,216,943.83

Finding the Fourth Proportional to 11,998,970.72, 17,999,254.19 and 4,216,943.83

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Solution

The fourth proportional to 11,998,970.72, 17,999,254.19 and 4,216,943.83 is: 6,325,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998,970.72 : 17,999,254.19 = 4,216,943.83 : x
  2. Step 2: Convert to fraction form
    11,998,970.72/17,999,254.19 = 4,216,943.83/x
  3. Step 3: Cross multiply
    11,998,970.72x = 17,999,254.19 × 4,216,943.83
  4. Step 4: Simplify right side
    11,998,970.72x = 75,901,843,835,039.28
  5. Step 5: Solve for x
    x = 75,901,843,835,039.28/11,998,970.72
  6. Step 6: Final answer
    x = 6,325,696.23

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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.