Finding the Fourth Proportional to 21,654,921.08, 32,486,478.34 and 8,702,080.08
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Solution
The fourth proportional to 21,654,921.08, 32,486,478.34 and 8,702,080.08 is: 13,054,766.40
Step by Step Solution
- Step 1: Write the proportion equation
21,654,921.08 : 32,486,478.34 = 8,702,080.08 : x - Step 2: Convert to fraction form
21,654,921.08/32,486,478.34 = 8,702,080.08/x - Step 3: Cross multiply
21,654,921.08x = 32,486,478.34 × 8,702,080.08 - Step 4: Simplify right side
21,654,921.08x = 282,699,936,031,865.44 - Step 5: Solve for x
x = 282,699,936,031,865.44/21,654,921.08 - Step 6: Final answer
x = 13,054,766.40
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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.