Home / 13,081,718.62-18,052,771.74-7,281,870.49

Finding the Fourth Proportional to 13,081,718.62, 18,052,771.74 and 7,281,870.49

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Solution

The fourth proportional to 13,081,718.62, 18,052,771.74 and 7,281,870.49 is: 10,048,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,718.62 : 18,052,771.74 = 7,281,870.49 : x
  2. Step 2: Convert to fraction form
    13,081,718.62/18,052,771.74 = 7,281,870.49/x
  3. Step 3: Cross multiply
    13,081,718.62x = 18,052,771.74 × 7,281,870.49
  4. Step 4: Simplify right side
    13,081,718.62x = 131,457,945,796,211.94
  5. Step 5: Solve for x
    x = 131,457,945,796,211.94/13,081,718.62
  6. Step 6: Final answer
    x = 10,048,981.30

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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.