Finding the Fourth Proportional to 36,911,906.40, 55,372,006.80 and 11,352,712.80
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Solution
The fourth proportional to 36,911,906.40, 55,372,006.80 and 11,352,712.80 is: 17,030,344.72
Step by Step Solution
- Step 1: Write the proportion equation
36,911,906.40 : 55,372,006.80 = 11,352,712.80 : x - Step 2: Convert to fraction form
36,911,906.40/55,372,006.80 = 11,352,712.80/x - Step 3: Cross multiply
36,911,906.40x = 55,372,006.80 × 11,352,712.80 - Step 4: Simplify right side
36,911,906.40x = 628,622,490,360,047 - Step 5: Solve for x
x = 628,622,490,360,047/36,911,906.40 - Step 6: Final answer
x = 17,030,344.72
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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.