Home / 13,146,413.35-18,142,989.21-7,265,921.17

Finding the Fourth Proportional to 13,146,413.35, 18,142,989.21 and 7,265,921.17

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Solution

The fourth proportional to 13,146,413.35, 18,142,989.21 and 7,265,921.17 is: 10,027,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,413.35 : 18,142,989.21 = 7,265,921.17 : x
  2. Step 2: Convert to fraction form
    13,146,413.35/18,142,989.21 = 7,265,921.17/x
  3. Step 3: Cross multiply
    13,146,413.35x = 18,142,989.21 × 7,265,921.17
  4. Step 4: Simplify right side
    13,146,413.35x = 131,825,529,388,020.58
  5. Step 5: Solve for x
    x = 131,825,529,388,020.58/13,146,413.35
  6. Step 6: Final answer
    x = 10,027,490.07

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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.