Finding the Fourth Proportional to 16,279,990.20, 24,419,985.30 and 4,149,430.20
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Solution
The fourth proportional to 16,279,990.20, 24,419,985.30 and 4,149,430.20 is: 6,224,145.30
Step by Step Solution
- Step 1: Write the proportion equation
16,279,990.20 : 24,419,985.30 = 4,149,430.20 : x - Step 2: Convert to fraction form
16,279,990.20/24,419,985.30 = 4,149,430.20/x - Step 3: Cross multiply
16,279,990.20x = 24,419,985.30 × 4,149,430.20 - Step 4: Simplify right side
16,279,990.20x = 101,329,024,487,376.06 - Step 5: Solve for x
x = 101,329,024,487,376.06/16,279,990.20 - Step 6: Final answer
x = 6,224,145.30
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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.