Finding the Fourth Proportional to 11,766,775.61, 17,640,054.70 and 4,089,422.99
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Solution
The fourth proportional to 11,766,775.61, 17,640,054.70 and 4,089,422.99 is: 6,130,621.31
Step by Step Solution
- Step 1: Write the proportion equation
11,766,775.61 : 17,640,054.70 = 4,089,422.99 : x - Step 2: Convert to fraction form
11,766,775.61/17,640,054.70 = 4,089,422.99/x - Step 3: Cross multiply
11,766,775.61x = 17,640,054.70 × 4,089,422.99 - Step 4: Simplify right side
11,766,775.61x = 72,137,645,268,914.14 - Step 5: Solve for x
x = 72,137,645,268,914.14/11,766,775.61 - Step 6: Final answer
x = 6,130,621.31
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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.