Finding the Fourth Proportional to 11,710,873.99, 16,159,077.84 and 7,356,876.94
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Solution
The fourth proportional to 11,710,873.99, 16,159,077.84 and 7,356,876.94 is: 10,151,278.82
Step by Step Solution
- Step 1: Write the proportion equation
11,710,873.99 : 16,159,077.84 = 7,356,876.94 : x - Step 2: Convert to fraction form
11,710,873.99/16,159,077.84 = 7,356,876.94/x - Step 3: Cross multiply
11,710,873.99x = 16,159,077.84 × 7,356,876.94 - Step 4: Simplify right side
11,710,873.99x = 118,880,347,132,761.02 - Step 5: Solve for x
x = 118,880,347,132,761.02/11,710,873.99 - Step 6: Final answer
x = 10,151,278.82
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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.