Home / 13,720,783.91-20,583,413.91-5,631,588.50

Finding the Fourth Proportional to 13,720,783.91, 20,583,413.91 and 5,631,588.50

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Solution

The fourth proportional to 13,720,783.91, 20,583,413.91 and 5,631,588.50 is: 8,448,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,783.91 : 20,583,413.91 = 5,631,588.50 : x
  2. Step 2: Convert to fraction form
    13,720,783.91/20,583,413.91 = 5,631,588.50/x
  3. Step 3: Cross multiply
    13,720,783.91x = 20,583,413.91 × 5,631,588.50
  4. Step 4: Simplify right side
    13,720,783.91x = 115,917,316,963,378.97
  5. Step 5: Solve for x
    x = 115,917,316,963,378.97/13,720,783.91
  6. Step 6: Final answer
    x = 8,448,301.33

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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.