Home / 31,185,728.62-46,775,019.60-8,158,886.12

Finding the Fourth Proportional to 31,185,728.62, 46,775,019.60 and 8,158,886.12

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Solution

The fourth proportional to 31,185,728.62, 46,775,019.60 and 8,158,886.12 is: 12,237,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185,728.62 : 46,775,019.60 = 8,158,886.12 : x
  2. Step 2: Convert to fraction form
    31,185,728.62/46,775,019.60 = 8,158,886.12/x
  3. Step 3: Cross multiply
    31,185,728.62x = 46,775,019.60 × 8,158,886.12
  4. Step 4: Simplify right side
    31,185,728.62x = 381,632,058,177,168
  5. Step 5: Solve for x
    x = 381,632,058,177,168/31,185,728.62
  6. Step 6: Final answer
    x = 12,237,394.32

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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.