Finding the Fourth Proportional to 18,071,287.64, 27,117,702.20 and 6,557,653.09
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Solution
The fourth proportional to 18,071,287.64, 27,117,702.20 and 6,557,653.09 is: 9,840,388.09
Step by Step Solution
- Step 1: Write the proportion equation
18,071,287.64 : 27,117,702.20 = 6,557,653.09 : x - Step 2: Convert to fraction form
18,071,287.64/27,117,702.20 = 6,557,653.09/x - Step 3: Cross multiply
18,071,287.64x = 27,117,702.20 × 6,557,653.09 - Step 4: Simplify right side
18,071,287.64x = 177,828,483,697,818.31 - Step 5: Solve for x
x = 177,828,483,697,818.31/18,071,287.64 - Step 6: Final answer
x = 9,840,388.09
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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.