Home / 13,109,027.94-18,091,535.61-7,229,812.03

Finding the Fourth Proportional to 13,109,027.94, 18,091,535.61 and 7,229,812.03

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Solution

The fourth proportional to 13,109,027.94, 18,091,535.61 and 7,229,812.03 is: 9,977,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109,027.94 : 18,091,535.61 = 7,229,812.03 : x
  2. Step 2: Convert to fraction form
    13,109,027.94/18,091,535.61 = 7,229,812.03/x
  3. Step 3: Cross multiply
    13,109,027.94x = 18,091,535.61 × 7,229,812.03
  4. Step 4: Simplify right side
    13,109,027.94x = 130,798,401,703,893.72
  5. Step 5: Solve for x
    x = 130,798,401,703,893.72/13,109,027.94
  6. Step 6: Final answer
    x = 9,977,734.61

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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.