Finding the Fourth Proportional to 8,306,378.76, 11,462,781.12 and 4,635,256.68
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Solution
The fourth proportional to 8,306,378.76, 11,462,781.12 and 4,635,256.68 is: 6,396,642.18
Step by Step Solution
- Step 1: Write the proportion equation
8,306,378.76 : 11,462,781.12 = 4,635,256.68 : x - Step 2: Convert to fraction form
8,306,378.76/11,462,781.12 = 4,635,256.68/x - Step 3: Cross multiply
8,306,378.76x = 11,462,781.12 × 4,635,256.68 - Step 4: Simplify right side
8,306,378.76x = 53,132,932,757,857.88 - Step 5: Solve for x
x = 53,132,932,757,857.88/8,306,378.76 - Step 6: Final answer
x = 6,396,642.18
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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.