Home / 16,145,969.76-22,286,837.52-9,621,645.12

Finding the Fourth Proportional to 16,145,969.76, 22,286,837.52 and 9,621,645.12

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Solution

The fourth proportional to 16,145,969.76, 22,286,837.52 and 9,621,645.12 is: 13,281,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145,969.76 : 22,286,837.52 = 9,621,645.12 : x
  2. Step 2: Convert to fraction form
    16,145,969.76/22,286,837.52 = 9,621,645.12/x
  3. Step 3: Cross multiply
    16,145,969.76x = 22,286,837.52 × 9,621,645.12
  4. Step 4: Simplify right side
    16,145,969.76x = 214,436,041,464,540.88
  5. Step 5: Solve for x
    x = 214,436,041,464,540.88/16,145,969.76
  6. Step 6: Final answer
    x = 13,281,087.77

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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.