Finding the Fourth Proportional to 8,160,536.08, 11,261,612.91 and 4,439,448.19
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Solution
The fourth proportional to 8,160,536.08, 11,261,612.91 and 4,439,448.19 is: 6,126,478.28
Step by Step Solution
- Step 1: Write the proportion equation
8,160,536.08 : 11,261,612.91 = 4,439,448.19 : x - Step 2: Convert to fraction form
8,160,536.08/11,261,612.91 = 4,439,448.19/x - Step 3: Cross multiply
8,160,536.08x = 11,261,612.91 × 4,439,448.19 - Step 4: Simplify right side
8,160,536.08x = 49,995,347,049,780.14 - Step 5: Solve for x
x = 49,995,347,049,780.14/8,160,536.08 - Step 6: Final answer
x = 6,126,478.28
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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.