Home / 13,469,939.12-18,588,235.88-7,589,876.14

Finding the Fourth Proportional to 13,469,939.12, 18,588,235.88 and 7,589,876.14

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Solution

The fourth proportional to 13,469,939.12, 18,588,235.88 and 7,589,876.14 is: 10,473,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,939.12 : 18,588,235.88 = 7,589,876.14 : x
  2. Step 2: Convert to fraction form
    13,469,939.12/18,588,235.88 = 7,589,876.14/x
  3. Step 3: Cross multiply
    13,469,939.12x = 18,588,235.88 × 7,589,876.14
  4. Step 4: Simplify right side
    13,469,939.12x = 141,082,407,990,303.88
  5. Step 5: Solve for x
    x = 141,082,407,990,303.88/13,469,939.12
  6. Step 6: Final answer
    x = 10,473,871.24

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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.