Home / 13,076,993.37-18,045,969.24-7,570,601.22

Finding the Fourth Proportional to 13,076,993.37, 18,045,969.24 and 7,570,601.22

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Solution

The fourth proportional to 13,076,993.37, 18,045,969.24 and 7,570,601.22 is: 10,447,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,993.37 : 18,045,969.24 = 7,570,601.22 : x
  2. Step 2: Convert to fraction form
    13,076,993.37/18,045,969.24 = 7,570,601.22/x
  3. Step 3: Cross multiply
    13,076,993.37x = 18,045,969.24 × 7,570,601.22
  4. Step 4: Simplify right side
    13,076,993.37x = 136,618,836,744,426.45
  5. Step 5: Solve for x
    x = 136,618,836,744,426.45/13,076,993.37
  6. Step 6: Final answer
    x = 10,447,266.65

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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.