Home / 31,711,921.12-43,766,081.44-17,777,039.84

Finding the Fourth Proportional to 31,711,921.12, 43,766,081.44 and 17,777,039.84

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Solution

The fourth proportional to 31,711,921.12, 43,766,081.44 and 17,777,039.84 is: 24,534,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711,921.12 : 43,766,081.44 = 17,777,039.84 : x
  2. Step 2: Convert to fraction form
    31,711,921.12/43,766,081.44 = 17,777,039.84/x
  3. Step 3: Cross multiply
    31,711,921.12x = 43,766,081.44 × 17,777,039.84
  4. Step 4: Simplify right side
    31,711,921.12x = 778,031,373,399,564.50
  5. Step 5: Solve for x
    x = 778,031,373,399,564.50/31,711,921.12
  6. Step 6: Final answer
    x = 24,534,350.05

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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.