Home / 13,763,071.92-18,993,113.10-7,568,518.08

Finding the Fourth Proportional to 13,763,071.92, 18,993,113.10 and 7,568,518.08

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Solution

The fourth proportional to 13,763,071.92, 18,993,113.10 and 7,568,518.08 is: 10,444,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,071.92 : 18,993,113.10 = 7,568,518.08 : x
  2. Step 2: Convert to fraction form
    13,763,071.92/18,993,113.10 = 7,568,518.08/x
  3. Step 3: Cross multiply
    13,763,071.92x = 18,993,113.10 × 7,568,518.08
  4. Step 4: Simplify right side
    13,763,071.92x = 143,749,719,892,834.88
  5. Step 5: Solve for x
    x = 143,749,719,892,834.88/13,763,071.92
  6. Step 6: Final answer
    x = 10,444,595.56

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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.