Finding the Fourth Proportional to 11,417,679.54, 15,756,388.58 and 6,190,860.92
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Solution
The fourth proportional to 11,417,679.54, 15,756,388.58 and 6,190,860.92 is: 8,543,383.08
Step by Step Solution
- Step 1: Write the proportion equation
11,417,679.54 : 15,756,388.58 = 6,190,860.92 : x - Step 2: Convert to fraction form
11,417,679.54/15,756,388.58 = 6,190,860.92/x - Step 3: Cross multiply
11,417,679.54x = 15,756,388.58 × 6,190,860.92 - Step 4: Simplify right side
11,417,679.54x = 97,545,610,236,951.50 - Step 5: Solve for x
x = 97,545,610,236,951.50/11,417,679.54 - Step 6: Final answer
x = 8,543,383.08
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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.