Home / 33,264,739.40-49,897,109.10-20,499,657.80

Finding the Fourth Proportional to 33,264,739.40, 49,897,109.10 and 20,499,657.80

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Solution

The fourth proportional to 33,264,739.40, 49,897,109.10 and 20,499,657.80 is: 30,749,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,264,739.40 : 49,897,109.10 = 20,499,657.80 : x
  2. Step 2: Convert to fraction form
    33,264,739.40/49,897,109.10 = 20,499,657.80/x
  3. Step 3: Cross multiply
    33,264,739.40x = 49,897,109.10 × 20,499,657.80
  4. Step 4: Simplify right side
    33,264,739.40x = 1,022,873,661,759,266
  5. Step 5: Solve for x
    x = 1,022,873,661,759,266/33,264,739.40
  6. Step 6: Final answer
    x = 30,749,486.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.