Finding the Fourth Proportional to 9,722,709.18, 13,416,194.79 and 5,371,536.06
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Solution
The fourth proportional to 9,722,709.18, 13,416,194.79 and 5,371,536.06 is: 7,412,087.80
Step by Step Solution
- Step 1: Write the proportion equation
9,722,709.18 : 13,416,194.79 = 5,371,536.06 : x - Step 2: Convert to fraction form
9,722,709.18/13,416,194.79 = 5,371,536.06/x - Step 3: Cross multiply
9,722,709.18x = 13,416,194.79 × 5,371,536.06 - Step 4: Simplify right side
9,722,709.18x = 72,065,574,102,469.11 - Step 5: Solve for x
x = 72,065,574,102,469.11/9,722,709.18 - Step 6: Final answer
x = 7,412,087.80
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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.