Home / 39,090,500.47-53,944,869.74-21,449,518.86

Finding the Fourth Proportional to 39,090,500.47, 53,944,869.74 and 21,449,518.86

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Solution

The fourth proportional to 39,090,500.47, 53,944,869.74 and 21,449,518.86 is: 29,600,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090,500.47 : 53,944,869.74 = 21,449,518.86 : x
  2. Step 2: Convert to fraction form
    39,090,500.47/53,944,869.74 = 21,449,518.86/x
  3. Step 3: Cross multiply
    39,090,500.47x = 53,944,869.74 × 21,449,518.86
  4. Step 4: Simplify right side
    39,090,500.47x = 1,157,091,500,511,401.25
  5. Step 5: Solve for x
    x = 1,157,091,500,511,401.25/39,090,500.47
  6. Step 6: Final answer
    x = 29,600,324.54

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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.