Finding the Fourth Proportional to 7,752,117.96, 10,697,922.80 and 4,315,170.91
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Solution
The fourth proportional to 7,752,117.96, 10,697,922.80 and 4,315,170.91 is: 5,954,935.86
Step by Step Solution
- Step 1: Write the proportion equation
7,752,117.96 : 10,697,922.80 = 4,315,170.91 : x - Step 2: Convert to fraction form
7,752,117.96/10,697,922.80 = 4,315,170.91/x - Step 3: Cross multiply
7,752,117.96x = 10,697,922.80 × 4,315,170.91 - Step 4: Simplify right side
7,752,117.96x = 46,163,365,263,985.75 - Step 5: Solve for x
x = 46,163,365,263,985.75/7,752,117.96 - Step 6: Final answer
x = 5,954,935.86
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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.