Finding the Fourth Proportional to 7,885,536.90, 11,828,305.35 and 3,397,812.90
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Solution
The fourth proportional to 7,885,536.90, 11,828,305.35 and 3,397,812.90 is: 5,096,719.35
Step by Step Solution
- Step 1: Write the proportion equation
7,885,536.90 : 11,828,305.35 = 3,397,812.90 : x - Step 2: Convert to fraction form
7,885,536.90/11,828,305.35 = 3,397,812.90/x - Step 3: Cross multiply
7,885,536.90x = 11,828,305.35 × 3,397,812.90 - Step 4: Simplify right side
7,885,536.90x = 40,190,368,503,369.02 - Step 5: Solve for x
x = 40,190,368,503,369.02/7,885,536.90 - Step 6: Final answer
x = 5,096,719.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.