Home / 18,302,993.87-25,258,121.78-10,043,110.40

Finding the Fourth Proportional to 18,302,993.87, 25,258,121.78 and 10,043,110.40

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Solution

The fourth proportional to 18,302,993.87, 25,258,121.78 and 10,043,110.40 is: 13,859,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302,993.87 : 25,258,121.78 = 10,043,110.40 : x
  2. Step 2: Convert to fraction form
    18,302,993.87/25,258,121.78 = 10,043,110.40/x
  3. Step 3: Cross multiply
    18,302,993.87x = 25,258,121.78 × 10,043,110.40
  4. Step 4: Simplify right side
    18,302,993.87x = 253,670,105,356,678.31
  5. Step 5: Solve for x
    x = 253,670,105,356,678.31/18,302,993.87
  6. Step 6: Final answer
    x = 13,859,486.99

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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.