Home / 18,426,942.07-25,429,949.16-10,167,540.14

Finding the Fourth Proportional to 18,426,942.07, 25,429,949.16 and 10,167,540.14

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Solution

The fourth proportional to 18,426,942.07, 25,429,949.16 and 10,167,540.14 is: 14,031,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,942.07 : 25,429,949.16 = 10,167,540.14 : x
  2. Step 2: Convert to fraction form
    18,426,942.07/25,429,949.16 = 10,167,540.14/x
  3. Step 3: Cross multiply
    18,426,942.07x = 25,429,949.16 × 10,167,540.14
  4. Step 4: Simplify right side
    18,426,942.07x = 258,560,028,867,905.88
  5. Step 5: Solve for x
    x = 258,560,028,867,905.88/18,426,942.07
  6. Step 6: Final answer
    x = 14,031,629.77

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1.5x scale

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.