Home / 36,691,644.40-50,635,035.48-20,172,484.08

Finding the Fourth Proportional to 36,691,644.40, 50,635,035.48 and 20,172,484.08

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Solution

The fourth proportional to 36,691,644.40, 50,635,035.48 and 20,172,484.08 is: 27,838,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691,644.40 : 50,635,035.48 = 20,172,484.08 : x
  2. Step 2: Convert to fraction form
    36,691,644.40/50,635,035.48 = 20,172,484.08/x
  3. Step 3: Cross multiply
    36,691,644.40x = 50,635,035.48 × 20,172,484.08
  4. Step 4: Simplify right side
    36,691,644.40x = 1,021,434,447,110,535
  5. Step 5: Solve for x
    x = 1,021,434,447,110,535/36,691,644.40
  6. Step 6: Final answer
    x = 27,838,339.32

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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.