Finding the Fourth Proportional to 11,696,790.48, 16,140,487.62 and 6,469,686.18
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Solution
The fourth proportional to 11,696,790.48, 16,140,487.62 and 6,469,686.18 is: 8,927,567.77
Step by Step Solution
- Step 1: Write the proportion equation
11,696,790.48 : 16,140,487.62 = 6,469,686.18 : x - Step 2: Convert to fraction form
11,696,790.48/16,140,487.62 = 6,469,686.18/x - Step 3: Cross multiply
11,696,790.48x = 16,140,487.62 × 6,469,686.18 - Step 4: Simplify right side
11,696,790.48x = 104,423,889,693,575.08 - Step 5: Solve for x
x = 104,423,889,693,575.08/11,696,790.48 - Step 6: Final answer
x = 8,927,567.77
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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.