Finding the Fourth Proportional to 7,742,342.71, 11,612,763.10 and 2,351,039.77
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Solution
The fourth proportional to 7,742,342.71, 11,612,763.10 and 2,351,039.77 is: 3,526,331.62
Step by Step Solution
- Step 1: Write the proportion equation
7,742,342.71 : 11,612,763.10 = 2,351,039.77 : x - Step 2: Convert to fraction form
7,742,342.71/11,612,763.10 = 2,351,039.77/x - Step 3: Cross multiply
7,742,342.71x = 11,612,763.10 × 2,351,039.77 - Step 4: Simplify right side
7,742,342.71x = 27,302,067,887,688.49 - Step 5: Solve for x
x = 27,302,067,887,688.49/7,742,342.71 - Step 6: Final answer
x = 3,526,331.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.