Finding the Fourth Proportional to 29,272,489.48, 40,395,995.44 and 16,220,593.36
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Solution
The fourth proportional to 29,272,489.48, 40,395,995.44 and 16,220,593.36 is: 22,384,396.65
Step by Step Solution
- Step 1: Write the proportion equation
29,272,489.48 : 40,395,995.44 = 16,220,593.36 : x - Step 2: Convert to fraction form
29,272,489.48/40,395,995.44 = 16,220,593.36/x - Step 3: Cross multiply
29,272,489.48x = 40,395,995.44 × 16,220,593.36 - Step 4: Simplify right side
29,272,489.48x = 655,247,015,404,654.25 - Step 5: Solve for x
x = 655,247,015,404,654.25/29,272,489.48 - Step 6: Final answer
x = 22,384,396.65
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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.