Finding the Fourth Proportional to 11,201,778.48, 15,457,176.56 and 6,306,874.72
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Solution
The fourth proportional to 11,201,778.48, 15,457,176.56 and 6,306,874.72 is: 8,702,767.71
Step by Step Solution
- Step 1: Write the proportion equation
11,201,778.48 : 15,457,176.56 = 6,306,874.72 : x - Step 2: Convert to fraction form
11,201,778.48/15,457,176.56 = 6,306,874.72/x - Step 3: Cross multiply
11,201,778.48x = 15,457,176.56 × 6,306,874.72 - Step 4: Simplify right side
11,201,778.48x = 97,486,476,088,840.56 - Step 5: Solve for x
x = 97,486,476,088,840.56/11,201,778.48 - Step 6: Final answer
x = 8,702,767.71
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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.