Home / 22,301,968.65-30,778,571.77-12,379,785.26

Finding the Fourth Proportional to 22,301,968.65, 30,778,571.77 and 12,379,785.26

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Solution

The fourth proportional to 22,301,968.65, 30,778,571.77 and 12,379,785.26 is: 17,085,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301,968.65 : 30,778,571.77 = 12,379,785.26 : x
  2. Step 2: Convert to fraction form
    22,301,968.65/30,778,571.77 = 12,379,785.26/x
  3. Step 3: Cross multiply
    22,301,968.65x = 30,778,571.77 × 12,379,785.26
  4. Step 4: Simplify right side
    22,301,968.65x = 381,032,108,937,255.81
  5. Step 5: Solve for x
    x = 381,032,108,937,255.81/22,301,968.65
  6. Step 6: Final answer
    x = 17,085,133.38

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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.