Finding the Fourth Proportional to 20,239,987.97, 30,359,958.36 and 6,593,112.32
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Solution
The fourth proportional to 20,239,987.97, 30,359,958.36 and 6,593,112.32 is: 9,889,660.80
Step by Step Solution
- Step 1: Write the proportion equation
20,239,987.97 : 30,359,958.36 = 6,593,112.32 : x - Step 2: Convert to fraction form
20,239,987.97/30,359,958.36 = 6,593,112.32/x - Step 3: Cross multiply
20,239,987.97x = 30,359,958.36 × 6,593,112.32 - Step 4: Simplify right side
20,239,987.97x = 200,166,615,624,003.94 - Step 5: Solve for x
x = 200,166,615,624,003.94/20,239,987.97 - Step 6: Final answer
x = 9,889,660.80
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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.