Finding the Fourth Proportional to 18,390,650.60, 27,588,266.04 and 6,259,181.78
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Solution
The fourth proportional to 18,390,650.60, 27,588,266.04 and 6,259,181.78 is: 9,389,552.11
Step by Step Solution
- Step 1: Write the proportion equation
18,390,650.60 : 27,588,266.04 = 6,259,181.78 : x - Step 2: Convert to fraction form
18,390,650.60/27,588,266.04 = 6,259,181.78/x - Step 3: Cross multiply
18,390,650.60x = 27,588,266.04 × 6,259,181.78 - Step 4: Simplify right side
18,390,650.60x = 172,679,972,139,360.75 - Step 5: Solve for x
x = 172,679,972,139,360.75/18,390,650.60 - Step 6: Final answer
x = 9,389,552.11
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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.