Finding the Fourth Proportional to 10,415,173.29, 15,623,508.30 and 3,591,648.32
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Solution
The fourth proportional to 10,415,173.29, 15,623,508.30 and 3,591,648.32 is: 5,387,730.55
Step by Step Solution
- Step 1: Write the proportion equation
10,415,173.29 : 15,623,508.30 = 3,591,648.32 : x - Step 2: Convert to fraction form
10,415,173.29/15,623,508.30 = 3,591,648.32/x - Step 3: Cross multiply
10,415,173.29x = 15,623,508.30 × 3,591,648.32 - Step 4: Simplify right side
10,415,173.29x = 56,114,147,299,142.29 - Step 5: Solve for x
x = 56,114,147,299,142.29/10,415,173.29 - Step 6: Final answer
x = 5,387,730.55
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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.