Finding the Fourth Proportional to 11,073,554.80, 16,610,332.20 and 6,519,929.20
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Solution
The fourth proportional to 11,073,554.80, 16,610,332.20 and 6,519,929.20 is: 9,779,893.80
Step by Step Solution
- Step 1: Write the proportion equation
11,073,554.80 : 16,610,332.20 = 6,519,929.20 : x - Step 2: Convert to fraction form
11,073,554.80/16,610,332.20 = 6,519,929.20/x - Step 3: Cross multiply
11,073,554.80x = 16,610,332.20 × 6,519,929.20 - Step 4: Simplify right side
11,073,554.80x = 108,298,189,932,480.23 - Step 5: Solve for x
x = 108,298,189,932,480.23/11,073,554.80 - Step 6: Final answer
x = 9,779,893.80
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1.5x scale
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.