Finding the Fourth Proportional to 11,276,827.74, 15,562,032.99 and 6,120,190.95
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Solution
The fourth proportional to 11,276,827.74, 15,562,032.99 and 6,120,190.95 is: 8,445,869.32
Step by Step Solution
- Step 1: Write the proportion equation
11,276,827.74 : 15,562,032.99 = 6,120,190.95 : x - Step 2: Convert to fraction form
11,276,827.74/15,562,032.99 = 6,120,190.95/x - Step 3: Cross multiply
11,276,827.74x = 15,562,032.99 × 6,120,190.95 - Step 4: Simplify right side
11,276,827.74x = 95,242,613,468,999.44 - Step 5: Solve for x
x = 95,242,613,468,999.44/11,276,827.74 - Step 6: Final answer
x = 8,445,869.32
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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.