Finding the Fourth Proportional to 18,390,636.32, 27,588,244.62 and 6,259,167.56
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Solution
The fourth proportional to 18,390,636.32, 27,588,244.62 and 6,259,167.56 is: 9,389,530.78
Step by Step Solution
- Step 1: Write the proportion equation
18,390,636.32 : 27,588,244.62 = 6,259,167.56 : x - Step 2: Convert to fraction form
18,390,636.32/27,588,244.62 = 6,259,167.56/x - Step 3: Cross multiply
18,390,636.32x = 27,588,244.62 × 6,259,167.56 - Step 4: Simplify right side
18,390,636.32x = 172,679,445,762,848.53 - Step 5: Solve for x
x = 172,679,445,762,848.53/18,390,636.32 - Step 6: Final answer
x = 9,389,530.78
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1.5x scale
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.