Home / 18,135,969.06-25,025,731.47-10,292,986.92

Finding the Fourth Proportional to 18,135,969.06, 25,025,731.47 and 10,292,986.92

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Solution

The fourth proportional to 18,135,969.06, 25,025,731.47 and 10,292,986.92 is: 14,203,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,969.06 : 25,025,731.47 = 10,292,986.92 : x
  2. Step 2: Convert to fraction form
    18,135,969.06/25,025,731.47 = 10,292,986.92/x
  3. Step 3: Cross multiply
    18,135,969.06x = 25,025,731.47 × 10,292,986.92
  4. Step 4: Simplify right side
    18,135,969.06x = 257,589,526,684,142.34
  5. Step 5: Solve for x
    x = 257,589,526,684,142.34/18,135,969.06
  6. Step 6: Final answer
    x = 14,203,240.30

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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.