Finding the Fourth Proportional to 11,528,193.60, 17,292,642.72 and 3,955,053.12
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Solution
The fourth proportional to 11,528,193.60, 17,292,642.72 and 3,955,053.12 is: 5,932,700.55
Step by Step Solution
- Step 1: Write the proportion equation
11,528,193.60 : 17,292,642.72 = 3,955,053.12 : x - Step 2: Convert to fraction form
11,528,193.60/17,292,642.72 = 3,955,053.12/x - Step 3: Cross multiply
11,528,193.60x = 17,292,642.72 × 3,955,053.12 - Step 4: Simplify right side
11,528,193.60x = 68,393,320,542,781.28 - Step 5: Solve for x
x = 68,393,320,542,781.28/11,528,193.60 - Step 6: Final answer
x = 5,932,700.55
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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.