Home / 38,689,093.41-53,390,947.14-21,285,065.27

Finding the Fourth Proportional to 38,689,093.41, 53,390,947.14 and 21,285,065.27

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Solution

The fourth proportional to 38,689,093.41, 53,390,947.14 and 21,285,065.27 is: 29,373,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689,093.41 : 53,390,947.14 = 21,285,065.27 : x
  2. Step 2: Convert to fraction form
    38,689,093.41/53,390,947.14 = 21,285,065.27/x
  3. Step 3: Cross multiply
    38,689,093.41x = 53,390,947.14 × 21,285,065.27
  4. Step 4: Simplify right side
    38,689,093.41x = 1,136,429,794,435,065.25
  5. Step 5: Solve for x
    x = 1,136,429,794,435,065.25/38,689,093.41
  6. Step 6: Final answer
    x = 29,373,389.09

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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.