Finding the Fourth Proportional to 7,747,319.28, 11,628,259.68 and 4,056,991.80
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Solution
The fourth proportional to 7,747,319.28, 11,628,259.68 and 4,056,991.80 is: 6,089,300.37
Step by Step Solution
- Step 1: Write the proportion equation
7,747,319.28 : 11,628,259.68 = 4,056,991.80 : x - Step 2: Convert to fraction form
7,747,319.28/11,628,259.68 = 4,056,991.80/x - Step 3: Cross multiply
7,747,319.28x = 11,628,259.68 × 4,056,991.80 - Step 4: Simplify right side
7,747,319.28x = 47,175,754,170,030.62 - Step 5: Solve for x
x = 47,175,754,170,030.62/7,747,319.28 - Step 6: Final answer
x = 6,089,300.37
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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.