Finding the Fourth Proportional to 16,778,371.48, 25,045,068.80 and 14,397,515.80
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Solution
The fourth proportional to 16,778,371.48, 25,045,068.80 and 14,397,515.80 is: 21,491,166.42
Step by Step Solution
- Step 1: Write the proportion equation
16,778,371.48 : 25,045,068.80 = 14,397,515.80 : x - Step 2: Convert to fraction form
16,778,371.48/25,045,068.80 = 14,397,515.80/x - Step 3: Cross multiply
16,778,371.48x = 25,045,068.80 × 14,397,515.80 - Step 4: Simplify right side
16,778,371.48x = 360,586,773,760,087.06 - Step 5: Solve for x
x = 360,586,773,760,087.06/16,778,371.48 - Step 6: Final answer
x = 21,491,166.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.