Home / 18,947,029.71-26,145,321.44-10,686,636.75

Finding the Fourth Proportional to 18,947,029.71, 26,145,321.44 and 10,686,636.75

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Solution

The fourth proportional to 18,947,029.71, 26,145,321.44 and 10,686,636.75 is: 14,746,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947,029.71 : 26,145,321.44 = 10,686,636.75 : x
  2. Step 2: Convert to fraction form
    18,947,029.71/26,145,321.44 = 10,686,636.75/x
  3. Step 3: Cross multiply
    18,947,029.71x = 26,145,321.44 × 10,686,636.75
  4. Step 4: Simplify right side
    18,947,029.71x = 279,405,552,887,833.72
  5. Step 5: Solve for x
    x = 279,405,552,887,833.72/18,947,029.71
  6. Step 6: Final answer
    x = 14,746,667.80

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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.