Finding the Fourth Proportional to 7,932,258.36, 10,942,487.70 and 5,180,556.51
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Solution
The fourth proportional to 7,932,258.36, 10,942,487.70 and 5,180,556.51 is: 7,146,536.75
Step by Step Solution
- Step 1: Write the proportion equation
7,932,258.36 : 10,942,487.70 = 5,180,556.51 : x - Step 2: Convert to fraction form
7,932,258.36/10,942,487.70 = 5,180,556.51/x - Step 3: Cross multiply
7,932,258.36x = 10,942,487.70 × 5,180,556.51 - Step 4: Simplify right side
7,932,258.36x = 56,688,175,889,829.92 - Step 5: Solve for x
x = 56,688,175,889,829.92/7,932,258.36 - Step 6: Final answer
x = 7,146,536.75
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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.