Finding the Fourth Proportional to 18,125,742.78, 27,184,670.28 and 5,992,339.68
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Solution
The fourth proportional to 18,125,742.78, 27,184,670.28 and 5,992,339.68 is: 8,987,205.68
Step by Step Solution
- Step 1: Write the proportion equation
18,125,742.78 : 27,184,670.28 = 5,992,339.68 : x - Step 2: Convert to fraction form
18,125,742.78/27,184,670.28 = 5,992,339.68/x - Step 3: Cross multiply
18,125,742.78x = 27,184,670.28 × 5,992,339.68 - Step 4: Simplify right side
18,125,742.78x = 162,899,778,406,560.72 - Step 5: Solve for x
x = 162,899,778,406,560.72/18,125,742.78 - Step 6: Final answer
x = 8,987,205.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.