Home / 38,090,981.83-52,568,982.57-21,575,123.41

Finding the Fourth Proportional to 38,090,981.83, 52,568,982.57 and 21,575,123.41

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Solution

The fourth proportional to 38,090,981.83, 52,568,982.57 and 21,575,123.41 is: 29,775,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,090,981.83 : 52,568,982.57 = 21,575,123.41 : x
  2. Step 2: Convert to fraction form
    38,090,981.83/52,568,982.57 = 21,575,123.41/x
  3. Step 3: Cross multiply
    38,090,981.83x = 52,568,982.57 × 21,575,123.41
  4. Step 4: Simplify right side
    38,090,981.83x = 1,134,182,286,485,889
  5. Step 5: Solve for x
    x = 1,134,182,286,485,889/38,090,981.83
  6. Step 6: Final answer
    x = 29,775,611.76

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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.