Home / 18,663,900-25,756,182.36-10,079,196

Finding the Fourth Proportional to 18,663,900, 25,756,182.36 and 10,079,196

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Solution

The fourth proportional to 18,663,900, 25,756,182.36 and 10,079,196 is: 13,909,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,900 : 25,756,182.36 = 10,079,196 : x
  2. Step 2: Convert to fraction form
    18,663,900/25,756,182.36 = 10,079,196/x
  3. Step 3: Cross multiply
    18,663,900x = 25,756,182.36 × 10,079,196
  4. Step 4: Simplify right side
    18,663,900x = 259,601,610,218,182.56
  5. Step 5: Solve for x
    x = 259,601,610,218,182.56/18,663,900
  6. Step 6: Final answer
    x = 13,909,290.67

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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.