Finding the Fourth Proportional to 7,752,116.96, 10,697,921.42 and 4,315,169.91
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Solution
The fourth proportional to 7,752,116.96, 10,697,921.42 and 4,315,169.91 is: 5,954,934.49
Step by Step Solution
- Step 1: Write the proportion equation
7,752,116.96 : 10,697,921.42 = 4,315,169.91 : x - Step 2: Convert to fraction form
7,752,116.96/10,697,921.42 = 4,315,169.91/x - Step 3: Cross multiply
7,752,116.96x = 10,697,921.42 × 4,315,169.91 - Step 4: Simplify right side
7,752,116.96x = 46,163,348,589,552.62 - Step 5: Solve for x
x = 46,163,348,589,552.62/7,752,116.96 - Step 6: Final answer
x = 5,954,934.49
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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.