Home / 13,886,146.82-19,162,668.56-7,774,794.02

Finding the Fourth Proportional to 13,886,146.82, 19,162,668.56 and 7,774,794.02

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Solution

The fourth proportional to 13,886,146.82, 19,162,668.56 and 7,774,794.02 is: 10,729,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,146.82 : 19,162,668.56 = 7,774,794.02 : x
  2. Step 2: Convert to fraction form
    13,886,146.82/19,162,668.56 = 7,774,794.02/x
  3. Step 3: Cross multiply
    13,886,146.82x = 19,162,668.56 × 7,774,794.02
  4. Step 4: Simplify right side
    13,886,146.82x = 148,985,800,927,530
  5. Step 5: Solve for x
    x = 148,985,800,927,530/13,886,146.82
  6. Step 6: Final answer
    x = 10,729,095.90

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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.