Finding the Fourth Proportional to 8,782,293.21, 13,174,106.18 and 2,717,638.08
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Solution
The fourth proportional to 8,782,293.21, 13,174,106.18 and 2,717,638.08 is: 4,076,663.32
Step by Step Solution
- Step 1: Write the proportion equation
8,782,293.21 : 13,174,106.18 = 2,717,638.08 : x - Step 2: Convert to fraction form
8,782,293.21/13,174,106.18 = 2,717,638.08/x - Step 3: Cross multiply
8,782,293.21x = 13,174,106.18 × 2,717,638.08 - Step 4: Simplify right side
8,782,293.21x = 35,802,452,611,143.15 - Step 5: Solve for x
x = 35,802,452,611,143.15/8,782,293.21 - Step 6: Final answer
x = 4,076,663.32
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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.