Finding the Fourth Proportional to 7,915,336.64, 11,878,673.88 and 3,369,572.48
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Solution
The fourth proportional to 7,915,336.64, 11,878,673.88 and 3,369,572.48 is: 5,056,771.99
Step by Step Solution
- Step 1: Write the proportion equation
7,915,336.64 : 11,878,673.88 = 3,369,572.48 : x - Step 2: Convert to fraction form
7,915,336.64/11,878,673.88 = 3,369,572.48/x - Step 3: Cross multiply
7,915,336.64x = 11,878,673.88 × 3,369,572.48 - Step 4: Simplify right side
7,915,336.64x = 40,026,052,604,942.83 - Step 5: Solve for x
x = 40,026,052,604,942.83/7,915,336.64 - Step 6: Final answer
x = 5,056,771.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.