Finding the Fourth Proportional to 7,766,620.09, 11,649,923.98 and 2,086,844.40
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Solution
The fourth proportional to 7,766,620.09, 11,649,923.98 and 2,086,844.40 is: 3,130,264.95
Step by Step Solution
- Step 1: Write the proportion equation
7,766,620.09 : 11,649,923.98 = 2,086,844.40 : x - Step 2: Convert to fraction form
7,766,620.09/11,649,923.98 = 2,086,844.40/x - Step 3: Cross multiply
7,766,620.09x = 11,649,923.98 × 2,086,844.40 - Step 4: Simplify right side
7,766,620.09x = 24,311,578,612,871.60 - Step 5: Solve for x
x = 24,311,578,612,871.60/7,766,620.09 - Step 6: Final answer
x = 3,130,264.95
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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.