Finding the Fourth Proportional to 11,546,420.24, 15,933,808.68 and 6,319,403.12
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Solution
The fourth proportional to 11,546,420.24, 15,933,808.68 and 6,319,403.12 is: 8,720,638.79
Step by Step Solution
- Step 1: Write the proportion equation
11,546,420.24 : 15,933,808.68 = 6,319,403.12 : x - Step 2: Convert to fraction form
11,546,420.24/15,933,808.68 = 6,319,403.12/x - Step 3: Cross multiply
11,546,420.24x = 15,933,808.68 × 6,319,403.12 - Step 4: Simplify right side
11,546,420.24x = 100,692,160,285,875.08 - Step 5: Solve for x
x = 100,692,160,285,875.08/11,546,420.24 - Step 6: Final answer
x = 8,720,638.79
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1.5x scale
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.