Finding the Fourth Proportional to 11,296,921.48, 15,589,423.99 and 6,402,595.91
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Solution
The fourth proportional to 11,296,921.48, 15,589,423.99 and 6,402,595.91 is: 8,835,396.66
Step by Step Solution
- Step 1: Write the proportion equation
11,296,921.48 : 15,589,423.99 = 6,402,595.91 : x - Step 2: Convert to fraction form
11,296,921.48/15,589,423.99 = 6,402,595.91/x - Step 3: Cross multiply
11,296,921.48x = 15,589,423.99 × 6,402,595.91 - Step 4: Simplify right side
11,296,921.48x = 99,812,782,277,629.89 - Step 5: Solve for x
x = 99,812,782,277,629.89/11,296,921.48 - Step 6: Final answer
x = 8,835,396.66
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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.