Finding the Fourth Proportional to 8,089,642.15, 11,163,632.67 and 4,418,557.95
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Solution
The fourth proportional to 8,089,642.15, 11,163,632.67 and 4,418,557.95 is: 6,097,569.83
Step by Step Solution
- Step 1: Write the proportion equation
8,089,642.15 : 11,163,632.67 = 4,418,557.95 : x - Step 2: Convert to fraction form
8,089,642.15/11,163,632.67 = 4,418,557.95/x - Step 3: Cross multiply
8,089,642.15x = 11,163,632.67 × 4,418,557.95 - Step 4: Simplify right side
8,089,642.15x = 49,327,157,884,908.23 - Step 5: Solve for x
x = 49,327,157,884,908.23/8,089,642.15 - Step 6: Final answer
x = 6,097,569.83
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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.