Home / 38,697,542.86-53,400,996.44-21,056,514.69

Finding the Fourth Proportional to 38,697,542.86, 53,400,996.44 and 21,056,514.69

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Solution

The fourth proportional to 38,697,542.86, 53,400,996.44 and 21,056,514.69 is: 29,057,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,697,542.86 : 53,400,996.44 = 21,056,514.69 : x
  2. Step 2: Convert to fraction form
    38,697,542.86/53,400,996.44 = 21,056,514.69/x
  3. Step 3: Cross multiply
    38,697,542.86x = 53,400,996.44 × 21,056,514.69
  4. Step 4: Simplify right side
    38,697,542.86x = 1,124,438,865,999,497.75
  5. Step 5: Solve for x
    x = 1,124,438,865,999,497.75/38,697,542.86
  6. Step 6: Final answer
    x = 29,057,112.75

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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.