Finding the Fourth Proportional to 18,675,008.08, 25,771,511.20 and 10,090,304.08
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Solution
The fourth proportional to 18,675,008.08, 25,771,511.20 and 10,090,304.08 is: 13,924,619.66
Step by Step Solution
- Step 1: Write the proportion equation
18,675,008.08 : 25,771,511.20 = 10,090,304.08 : x - Step 2: Convert to fraction form
18,675,008.08/25,771,511.20 = 10,090,304.08/x - Step 3: Cross multiply
18,675,008.08x = 25,771,511.20 × 10,090,304.08 - Step 4: Simplify right side
18,675,008.08x = 260,042,384,609,125.69 - Step 5: Solve for x
x = 260,042,384,609,125.69/18,675,008.08 - Step 6: Final answer
x = 13,924,619.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.