Home / 16,391,322.09-22,622,985.36-9,776,334.57

Finding the Fourth Proportional to 16,391,322.09, 22,622,985.36 and 9,776,334.57

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Solution

The fourth proportional to 16,391,322.09, 22,622,985.36 and 9,776,334.57 is: 13,493,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,322.09 : 22,622,985.36 = 9,776,334.57 : x
  2. Step 2: Convert to fraction form
    16,391,322.09/22,622,985.36 = 9,776,334.57/x
  3. Step 3: Cross multiply
    16,391,322.09x = 22,622,985.36 × 9,776,334.57
  4. Step 4: Simplify right side
    16,391,322.09x = 221,169,873,851,571.91
  5. Step 5: Solve for x
    x = 221,169,873,851,571.91/16,391,322.09
  6. Step 6: Final answer
    x = 13,493,107.68

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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.