Finding the Fourth Proportional to 10,934,468.61, 15,089,529.26 and 6,288,034.29
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Solution
The fourth proportional to 10,934,468.61, 15,089,529.26 and 6,288,034.29 is: 8,677,465.80
Step by Step Solution
- Step 1: Write the proportion equation
10,934,468.61 : 15,089,529.26 = 6,288,034.29 : x - Step 2: Convert to fraction form
10,934,468.61/15,089,529.26 = 6,288,034.29/x - Step 3: Cross multiply
10,934,468.61x = 15,089,529.26 × 6,288,034.29 - Step 4: Simplify right side
10,934,468.61x = 94,883,477,365,972.67 - Step 5: Solve for x
x = 94,883,477,365,972.67/10,934,468.61 - Step 6: Final answer
x = 8,677,465.80
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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.