Home / 18,764,707-25,895,120.68-10,615,945

Finding the Fourth Proportional to 18,764,707, 25,895,120.68 and 10,615,945

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Solution

The fourth proportional to 18,764,707, 25,895,120.68 and 10,615,945 is: 14,649,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764,707 : 25,895,120.68 = 10,615,945 : x
  2. Step 2: Convert to fraction form
    18,764,707/25,895,120.68 = 10,615,945/x
  3. Step 3: Cross multiply
    18,764,707x = 25,895,120.68 × 10,615,945
  4. Step 4: Simplify right side
    18,764,707x = 274,901,176,907,242.59
  5. Step 5: Solve for x
    x = 274,901,176,907,242.59/18,764,707
  6. Step 6: Final answer
    x = 14,649,905.11

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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.