Home / 15,256,738.45-21,054,678.87-8,287,413.94

Finding the Fourth Proportional to 15,256,738.45, 21,054,678.87 and 8,287,413.94

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Solution

The fourth proportional to 15,256,738.45, 21,054,678.87 and 8,287,413.94 is: 11,436,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256,738.45 : 21,054,678.87 = 8,287,413.94 : x
  2. Step 2: Convert to fraction form
    15,256,738.45/21,054,678.87 = 8,287,413.94/x
  3. Step 3: Cross multiply
    15,256,738.45x = 21,054,678.87 × 8,287,413.94
  4. Step 4: Simplify right side
    15,256,738.45x = 174,488,839,169,461.47
  5. Step 5: Solve for x
    x = 174,488,839,169,461.47/15,256,738.45
  6. Step 6: Final answer
    x = 11,436,837.55

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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.