Home / 15,344,413.44-21,175,981.44-8,820,161.28

Finding the Fourth Proportional to 15,344,413.44, 21,175,981.44 and 8,820,161.28

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Solution

The fourth proportional to 15,344,413.44, 21,175,981.44 and 8,820,161.28 is: 12,172,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,413.44 : 21,175,981.44 = 8,820,161.28 : x
  2. Step 2: Convert to fraction form
    15,344,413.44/21,175,981.44 = 8,820,161.28/x
  3. Step 3: Cross multiply
    15,344,413.44x = 21,175,981.44 × 8,820,161.28
  4. Step 4: Simplify right side
    15,344,413.44x = 186,775,571,563,086.66
  5. Step 5: Solve for x
    x = 186,775,571,563,086.66/15,344,413.44
  6. Step 6: Final answer
    x = 12,172,219.70

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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.