Home / 13,049,093.78-18,014,294.68-8,157,037.22

Finding the Fourth Proportional to 13,049,093.78, 18,014,294.68 and 8,157,037.22

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Solution

The fourth proportional to 13,049,093.78, 18,014,294.68 and 8,157,037.22 is: 11,260,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049,093.78 : 18,014,294.68 = 8,157,037.22 : x
  2. Step 2: Convert to fraction form
    13,049,093.78/18,014,294.68 = 8,157,037.22/x
  3. Step 3: Cross multiply
    13,049,093.78x = 18,014,294.68 × 8,157,037.22
  4. Step 4: Simplify right side
    13,049,093.78x = 146,943,272,196,807.97
  5. Step 5: Solve for x
    x = 146,943,272,196,807.97/13,049,093.78
  6. Step 6: Final answer
    x = 11,260,802.83

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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.