Finding the Fourth Proportional to 7,878,201.18, 10,880,885.69 and 5,295,397.92
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Solution
The fourth proportional to 7,878,201.18, 10,880,885.69 and 5,295,397.92 is: 7,313,677.09
Step by Step Solution
- Step 1: Write the proportion equation
7,878,201.18 : 10,880,885.69 = 5,295,397.92 : x - Step 2: Convert to fraction form
7,878,201.18/10,880,885.69 = 5,295,397.92/x - Step 3: Cross multiply
7,878,201.18x = 10,880,885.69 × 5,295,397.92 - Step 4: Simplify right side
7,878,201.18x = 57,618,619,450,583.76 - Step 5: Solve for x
x = 57,618,619,450,583.76/7,878,201.18 - Step 6: Final answer
x = 7,313,677.09
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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.