Finding the Fourth Proportional to 10,209,218.51, 14,089,022.07 and 5,625,835.13
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Solution
The fourth proportional to 10,209,218.51, 14,089,022.07 and 5,625,835.13 is: 7,763,818.09
Step by Step Solution
- Step 1: Write the proportion equation
10,209,218.51 : 14,089,022.07 = 5,625,835.13 : x - Step 2: Convert to fraction form
10,209,218.51/14,089,022.07 = 5,625,835.13/x - Step 3: Cross multiply
10,209,218.51x = 14,089,022.07 × 5,625,835.13 - Step 4: Simplify right side
10,209,218.51x = 79,262,515,308,751.31 - Step 5: Solve for x
x = 79,262,515,308,751.31/10,209,218.51 - Step 6: Final answer
x = 7,763,818.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.