Finding the Fourth Proportional to 17,176,659.84, 23,695,890.88 and 15,218,535.09
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Solution
The fourth proportional to 17,176,659.84, 23,695,890.88 and 15,218,535.09 is: 20,994,579.27
Step by Step Solution
- Step 1: Write the proportion equation
17,176,659.84 : 23,695,890.88 = 15,218,535.09 : x - Step 2: Convert to fraction form
17,176,659.84/23,695,890.88 = 15,218,535.09/x - Step 3: Cross multiply
17,176,659.84x = 23,695,890.88 × 15,218,535.09 - Step 4: Simplify right side
17,176,659.84x = 360,616,746,694,626.19 - Step 5: Solve for x
x = 360,616,746,694,626.19/17,176,659.84 - Step 6: Final answer
x = 20,994,579.27
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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.