Finding the Fourth Proportional to 10,354,932.20, 15,514,683.60 and 6,563,986.40
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Solution
The fourth proportional to 10,354,932.20, 15,514,683.60 and 6,563,986.40 is: 9,834,750.26
Step by Step Solution
- Step 1: Write the proportion equation
10,354,932.20 : 15,514,683.60 = 6,563,986.40 : x - Step 2: Convert to fraction form
10,354,932.20/15,514,683.60 = 6,563,986.40/x - Step 3: Cross multiply
10,354,932.20x = 15,514,683.60 × 6,563,986.40 - Step 4: Simplify right side
10,354,932.20x = 101,838,172,150,703.05 - Step 5: Solve for x
x = 101,838,172,150,703.05/10,354,932.20 - Step 6: Final answer
x = 9,834,750.26
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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.