Home / 15,814,409.47-21,823,936.17-8,845,206.50

Finding the Fourth Proportional to 15,814,409.47, 21,823,936.17 and 8,845,206.50

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Solution

The fourth proportional to 15,814,409.47, 21,823,936.17 and 8,845,206.50 is: 12,206,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814,409.47 : 21,823,936.17 = 8,845,206.50 : x
  2. Step 2: Convert to fraction form
    15,814,409.47/21,823,936.17 = 8,845,206.50/x
  3. Step 3: Cross multiply
    15,814,409.47x = 21,823,936.17 × 8,845,206.50
  4. Step 4: Simplify right side
    15,814,409.47x = 193,037,222,066,469.12
  5. Step 5: Solve for x
    x = 193,037,222,066,469.12/15,814,409.47
  6. Step 6: Final answer
    x = 12,206,413.55

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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.