Finding the Fourth Proportional to 16,059,378.18, 22,161,961.62 and 8,717,207.16
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Solution
The fourth proportional to 16,059,378.18, 22,161,961.62 and 8,717,207.16 is: 12,029,756.59
Step by Step Solution
- Step 1: Write the proportion equation
16,059,378.18 : 22,161,961.62 = 8,717,207.16 : x - Step 2: Convert to fraction form
16,059,378.18/22,161,961.62 = 8,717,207.16/x - Step 3: Cross multiply
16,059,378.18x = 22,161,961.62 × 8,717,207.16 - Step 4: Simplify right side
16,059,378.18x = 193,190,410,513,509.22 - Step 5: Solve for x
x = 193,190,410,513,509.22/16,059,378.18 - Step 6: Final answer
x = 12,029,756.59
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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.