Finding the Fourth Proportional to 27,439,612.76, 41,163,331.04 and 8,991,611.66
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Solution
The fourth proportional to 27,439,612.76, 41,163,331.04 and 8,991,611.66 is: 13,488,699.37
Step by Step Solution
- Step 1: Write the proportion equation
27,439,612.76 : 41,163,331.04 = 8,991,611.66 : x - Step 2: Convert to fraction form
27,439,612.76/41,163,331.04 = 8,991,611.66/x - Step 3: Cross multiply
27,439,612.76x = 41,163,331.04 × 8,991,611.66 - Step 4: Simplify right side
27,439,612.76x = 370,124,687,343,703.94 - Step 5: Solve for x
x = 370,124,687,343,703.94/27,439,612.76 - Step 6: Final answer
x = 13,488,699.37
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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.