Finding the Fourth Proportional to 18,448,938.42, 27,670,569.39 and 6,153,118.98
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Solution
The fourth proportional to 18,448,938.42, 27,670,569.39 and 6,153,118.98 is: 9,228,731.86
Step by Step Solution
- Step 1: Write the proportion equation
18,448,938.42 : 27,670,569.39 = 6,153,118.98 : x - Step 2: Convert to fraction form
18,448,938.42/27,670,569.39 = 6,153,118.98/x - Step 3: Cross multiply
18,448,938.42x = 27,670,569.39 × 6,153,118.98 - Step 4: Simplify right side
18,448,938.42x = 170,260,305,701,016.03 - Step 5: Solve for x
x = 170,260,305,701,016.03/18,448,938.42 - Step 6: Final answer
x = 9,228,731.86
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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.