Home / 18,690,127.36-28,035,413.76-7,335,923.20

Finding the Fourth Proportional to 18,690,127.36, 28,035,413.76 and 7,335,923.20

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Solution

The fourth proportional to 18,690,127.36, 28,035,413.76 and 7,335,923.20 is: 11,003,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,127.36 : 28,035,413.76 = 7,335,923.20 : x
  2. Step 2: Convert to fraction form
    18,690,127.36/28,035,413.76 = 7,335,923.20/x
  3. Step 3: Cross multiply
    18,690,127.36x = 28,035,413.76 × 7,335,923.20
  4. Step 4: Simplify right side
    18,690,127.36x = 205,665,642,223,583.25
  5. Step 5: Solve for x
    x = 205,665,642,223,583.25/18,690,127.36
  6. Step 6: Final answer
    x = 11,003,972.22

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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.