Finding the Fourth Proportional to 34,320,071.63, 47,362,623.74 and 20,192,244.28
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Solution
The fourth proportional to 34,320,071.63, 47,362,623.74 and 20,192,244.28 is: 27,865,841.26
Step by Step Solution
- Step 1: Write the proportion equation
34,320,071.63 : 47,362,623.74 = 20,192,244.28 : x - Step 2: Convert to fraction form
34,320,071.63/47,362,623.74 = 20,192,244.28/x - Step 3: Cross multiply
34,320,071.63x = 47,362,623.74 × 20,192,244.28 - Step 4: Simplify right side
34,320,071.63x = 956,357,668,080,439.38 - Step 5: Solve for x
x = 956,357,668,080,439.38/34,320,071.63 - Step 6: Final answer
x = 27,865,841.26
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1.5x scale
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.