Finding the Fourth Proportional to 22,343,239.70, 33,531,448.35 and 8,889,722.90
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Solution
The fourth proportional to 22,343,239.70, 33,531,448.35 and 8,889,722.90 is: 13,341,184.55
Step by Step Solution
- Step 1: Write the proportion equation
22,343,239.70 : 33,531,448.35 = 8,889,722.90 : x - Step 2: Convert to fraction form
22,343,239.70/33,531,448.35 = 8,889,722.90/x - Step 3: Cross multiply
22,343,239.70x = 33,531,448.35 × 8,889,722.90 - Step 4: Simplify right side
22,343,239.70x = 298,085,284,267,162.25 - Step 5: Solve for x
x = 298,085,284,267,162.25/22,343,239.70 - Step 6: Final answer
x = 13,341,184.55
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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.