Finding the Fourth Proportional to 8,218,313.23, 11,341,606.53 and 4,547,170.08
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Solution
The fourth proportional to 8,218,313.23, 11,341,606.53 and 4,547,170.08 is: 6,275,279.66
Step by Step Solution
- Step 1: Write the proportion equation
8,218,313.23 : 11,341,606.53 = 4,547,170.08 : x - Step 2: Convert to fraction form
8,218,313.23/11,341,606.53 = 4,547,170.08/x - Step 3: Cross multiply
8,218,313.23x = 11,341,606.53 × 4,547,170.08 - Step 4: Simplify right side
8,218,313.23x = 51,572,213,872,348.62 - Step 5: Solve for x
x = 51,572,213,872,348.62/8,218,313.23 - Step 6: Final answer
x = 6,275,279.66
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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.