Finding the Fourth Proportional to 7,729,202.80, 11,593,804.20 and 7,552,055.80
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Solution
The fourth proportional to 7,729,202.80, 11,593,804.20 and 7,552,055.80 is: 11,328,083.70
Step by Step Solution
- Step 1: Write the proportion equation
7,729,202.80 : 11,593,804.20 = 7,552,055.80 : x - Step 2: Convert to fraction form
7,729,202.80/11,593,804.20 = 7,552,055.80/x - Step 3: Cross multiply
7,729,202.80x = 11,593,804.20 × 7,552,055.80 - Step 4: Simplify right side
7,729,202.80x = 87,557,056,252,674.36 - Step 5: Solve for x
x = 87,557,056,252,674.36/7,729,202.80 - Step 6: Final answer
x = 11,328,083.70
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1.5x scale
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.