Home / 15,136,212.39-20,880,708.24-9,906,918.30

Finding the Fourth Proportional to 15,136,212.39, 20,880,708.24 and 9,906,918.30

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Solution

The fourth proportional to 15,136,212.39, 20,880,708.24 and 9,906,918.30 is: 13,666,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136,212.39 : 20,880,708.24 = 9,906,918.30 : x
  2. Step 2: Convert to fraction form
    15,136,212.39/20,880,708.24 = 9,906,918.30/x
  3. Step 3: Cross multiply
    15,136,212.39x = 20,880,708.24 × 9,906,918.30
  4. Step 4: Simplify right side
    15,136,212.39x = 206,863,470,525,403.06
  5. Step 5: Solve for x
    x = 206,863,470,525,403.06/15,136,212.39
  6. Step 6: Final answer
    x = 13,666,792.27

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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.