Finding the Fourth Proportional to 11,276,830.24, 15,562,036.44 and 6,120,193.45
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Solution
The fourth proportional to 11,276,830.24, 15,562,036.44 and 6,120,193.45 is: 8,445,872.77
Step by Step Solution
- Step 1: Write the proportion equation
11,276,830.24 : 15,562,036.44 = 6,120,193.45 : x - Step 2: Convert to fraction form
11,276,830.24/15,562,036.44 = 6,120,193.45/x - Step 3: Cross multiply
11,276,830.24x = 15,562,036.44 × 6,120,193.45 - Step 4: Simplify right side
11,276,830.24x = 95,242,673,488,749.31 - Step 5: Solve for x
x = 95,242,673,488,749.31/11,276,830.24 - Step 6: Final answer
x = 8,445,872.77
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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.