Finding the Fourth Proportional to 19,922,904.43, 29,881,382.33 and 5,544,472.93
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Solution
The fourth proportional to 19,922,904.43, 29,881,382.33 and 5,544,472.93 is: 8,315,881.65
Step by Step Solution
- Step 1: Write the proportion equation
19,922,904.43 : 29,881,382.33 = 5,544,472.93 : x - Step 2: Convert to fraction form
19,922,904.43/29,881,382.33 = 5,544,472.93/x - Step 3: Cross multiply
19,922,904.43x = 29,881,382.33 × 5,544,472.93 - Step 4: Simplify right side
19,922,904.43x = 165,676,515,411,942.94 - Step 5: Solve for x
x = 165,676,515,411,942.94/19,922,904.43 - Step 6: Final answer
x = 8,315,881.65
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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.