Finding the Fourth Proportional to 7,351,512.70, 10,302,746.60 and 7,351,512.70
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Solution
The fourth proportional to 7,351,512.70, 10,302,746.60 and 7,351,512.70 is: 10,302,746.60
Step by Step Solution
- Step 1: Write the proportion equation
7,351,512.70 : 10,302,746.60 = 7,351,512.70 : x - Step 2: Convert to fraction form
7,351,512.70/10,302,746.60 = 7,351,512.70/x - Step 3: Cross multiply
7,351,512.70x = 10,302,746.60 × 7,351,512.70 - Step 4: Simplify right side
7,351,512.70x = 75,740,772,474,781.81 - Step 5: Solve for x
x = 75,740,772,474,781.81/7,351,512.70 - Step 6: Final answer
x = 10,302,746.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.