Home / 13,520,201.67-18,647,707.01-9,390,238.07

Finding the Fourth Proportional to 13,520,201.67, 18,647,707.01 and 9,390,238.07

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Solution

The fourth proportional to 13,520,201.67, 18,647,707.01 and 9,390,238.07 is: 12,951,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,201.67 : 18,647,707.01 = 9,390,238.07 : x
  2. Step 2: Convert to fraction form
    13,520,201.67/18,647,707.01 = 9,390,238.07/x
  3. Step 3: Cross multiply
    13,520,201.67x = 18,647,707.01 × 9,390,238.07
  4. Step 4: Simplify right side
    13,520,201.67x = 175,106,408,143,318.12
  5. Step 5: Solve for x
    x = 175,106,408,143,318.12/13,520,201.67
  6. Step 6: Final answer
    x = 12,951,464.22

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1.5x scale

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.