Home / 7,222,902.32-9,967,541.52-3,959,657.72

Finding the Fourth Proportional to 7,222,902.32, 9,967,541.52 and 3,959,657.72

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Solution

The fourth proportional to 7,222,902.32, 9,967,541.52 and 3,959,657.72 is: 5,464,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,902.32 : 9,967,541.52 = 3,959,657.72 : x
  2. Step 2: Convert to fraction form
    7,222,902.32/9,967,541.52 = 3,959,657.72/x
  3. Step 3: Cross multiply
    7,222,902.32x = 9,967,541.52 × 3,959,657.72
  4. Step 4: Simplify right side
    7,222,902.32x = 39,468,052,729,088.53
  5. Step 5: Solve for x
    x = 39,468,052,729,088.53/7,222,902.32
  6. Step 6: Final answer
    x = 5,464,292.74

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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.