Home / 13,049,091.78-18,014,291.91-8,157,035.22

Finding the Fourth Proportional to 13,049,091.78, 18,014,291.91 and 8,157,035.22

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Solution

The fourth proportional to 13,049,091.78, 18,014,291.91 and 8,157,035.22 is: 11,260,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049,091.78 : 18,014,291.91 = 8,157,035.22 : x
  2. Step 2: Convert to fraction form
    13,049,091.78/18,014,291.91 = 8,157,035.22/x
  3. Step 3: Cross multiply
    13,049,091.78x = 18,014,291.91 × 8,157,035.22
  4. Step 4: Simplify right side
    13,049,091.78x = 146,943,213,573,231.06
  5. Step 5: Solve for x
    x = 146,943,213,573,231.06/13,049,091.78
  6. Step 6: Final answer
    x = 11,260,800.07

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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.