Finding the Fourth Proportional to 11,263,715.34, 15,543,833.40 and 6,369,898.26
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Solution
The fourth proportional to 11,263,715.34, 15,543,833.40 and 6,369,898.26 is: 8,790,406.57
Step by Step Solution
- Step 1: Write the proportion equation
11,263,715.34 : 15,543,833.40 = 6,369,898.26 : x - Step 2: Convert to fraction form
11,263,715.34/15,543,833.40 = 6,369,898.26/x - Step 3: Cross multiply
11,263,715.34x = 15,543,833.40 × 6,369,898.26 - Step 4: Simplify right side
11,263,715.34x = 99,012,637,328,389.89 - Step 5: Solve for x
x = 99,012,637,328,389.89/11,263,715.34 - Step 6: Final answer
x = 8,790,406.57
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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.