Home / 18,122,313.92-25,003,164.12-10,280,533.28

Finding the Fourth Proportional to 18,122,313.92, 25,003,164.12 and 10,280,533.28

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Solution

The fourth proportional to 18,122,313.92, 25,003,164.12 and 10,280,533.28 is: 14,183,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,313.92 : 25,003,164.12 = 10,280,533.28 : x
  2. Step 2: Convert to fraction form
    18,122,313.92/25,003,164.12 = 10,280,533.28/x
  3. Step 3: Cross multiply
    18,122,313.92x = 25,003,164.12 × 10,280,533.28
  4. Step 4: Simplify right side
    18,122,313.92x = 257,045,860,840,961.91
  5. Step 5: Solve for x
    x = 257,045,860,840,961.91/18,122,313.92
  6. Step 6: Final answer
    x = 14,183,942.62

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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.