Home / 13,055,100-18,014,982.72-7,548,832.08

Finding the Fourth Proportional to 13,055,100, 18,014,982.72 and 7,548,832.08

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Solution

The fourth proportional to 13,055,100, 18,014,982.72 and 7,548,832.08 is: 10,416,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,100 : 18,014,982.72 = 7,548,832.08 : x
  2. Step 2: Convert to fraction form
    13,055,100/18,014,982.72 = 7,548,832.08/x
  3. Step 3: Cross multiply
    13,055,100x = 18,014,982.72 × 7,548,832.08
  4. Step 4: Simplify right side
    13,055,100x = 135,992,079,477,381.66
  5. Step 5: Solve for x
    x = 135,992,079,477,381.66/13,055,100
  6. Step 6: Final answer
    x = 10,416,778.08

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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.