Finding the Fourth Proportional to 19,195,403.84, 26,348,653.92 and 16,971,224.80
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Solution
The fourth proportional to 19,195,403.84, 26,348,653.92 and 16,971,224.80 is: 23,295,624.96
Step by Step Solution
- Step 1: Write the proportion equation
19,195,403.84 : 26,348,653.92 = 16,971,224.80 : x - Step 2: Convert to fraction form
19,195,403.84/26,348,653.92 = 16,971,224.80/x - Step 3: Cross multiply
19,195,403.84x = 26,348,653.92 × 16,971,224.80 - Step 4: Simplify right side
19,195,403.84x = 447,168,928,853,721.25 - Step 5: Solve for x
x = 447,168,928,853,721.25/19,195,403.84 - Step 6: Final answer
x = 23,295,624.96
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.