Finding the Fourth Proportional to 21,654,921.10, 32,486,478.35 and 8,702,080.08
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Solution
The fourth proportional to 21,654,921.10, 32,486,478.35 and 8,702,080.08 is: 13,054,766.39
Step by Step Solution
- Step 1: Write the proportion equation
21,654,921.10 : 32,486,478.35 = 8,702,080.08 : x - Step 2: Convert to fraction form
21,654,921.10/32,486,478.35 = 8,702,080.08/x - Step 3: Cross multiply
21,654,921.10x = 32,486,478.35 × 8,702,080.08 - Step 4: Simplify right side
21,654,921.10x = 282,699,936,118,886.31 - Step 5: Solve for x
x = 282,699,936,118,886.31/21,654,921.10 - Step 6: Final answer
x = 13,054,766.39
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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.