Finding the Fourth Proportional to 11,638,574.19, 16,061,228.61 and 6,746,636.09
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Solution
The fourth proportional to 11,638,574.19, 16,061,228.61 and 6,746,636.09 is: 9,310,355.61
Step by Step Solution
- Step 1: Write the proportion equation
11,638,574.19 : 16,061,228.61 = 6,746,636.09 : x - Step 2: Convert to fraction form
11,638,574.19/16,061,228.61 = 6,746,636.09/x - Step 3: Cross multiply
11,638,574.19x = 16,061,228.61 × 6,746,636.09 - Step 4: Simplify right side
11,638,574.19x = 108,359,264,509,660.39 - Step 5: Solve for x
x = 108,359,264,509,660.39/11,638,574.19 - Step 6: Final answer
x = 9,310,355.61
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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.