Home / 15,692,593.84-21,656,040.43-8,628,485.42

Finding the Fourth Proportional to 15,692,593.84, 21,656,040.43 and 8,628,485.42

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Solution

The fourth proportional to 15,692,593.84, 21,656,040.43 and 8,628,485.42 is: 11,907,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692,593.84 : 21,656,040.43 = 8,628,485.42 : x
  2. Step 2: Convert to fraction form
    15,692,593.84/21,656,040.43 = 8,628,485.42/x
  3. Step 3: Cross multiply
    15,692,593.84x = 21,656,040.43 × 8,628,485.42
  4. Step 4: Simplify right side
    15,692,593.84x = 186,858,829,062,043.09
  5. Step 5: Solve for x
    x = 186,858,829,062,043.09/15,692,593.84
  6. Step 6: Final answer
    x = 11,907,453.35

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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.