Finding the Fourth Proportional to 10,688,067.48, 14,750,142.30 and 6,339,728.28
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Solution
The fourth proportional to 10,688,067.48, 14,750,142.30 and 6,339,728.28 is: 8,749,186.37
Step by Step Solution
- Step 1: Write the proportion equation
10,688,067.48 : 14,750,142.30 = 6,339,728.28 : x - Step 2: Convert to fraction form
10,688,067.48/14,750,142.30 = 6,339,728.28/x - Step 3: Cross multiply
10,688,067.48x = 14,750,142.30 × 6,339,728.28 - Step 4: Simplify right side
10,688,067.48x = 93,511,894,273,334.25 - Step 5: Solve for x
x = 93,511,894,273,334.25/10,688,067.48 - Step 6: Final answer
x = 8,749,186.37
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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.