Finding the Fourth Proportional to 7,183,085.29, 9,912,868.29 and 3,920,109.84
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Solution
The fourth proportional to 7,183,085.29, 9,912,868.29 and 3,920,109.84 is: 5,409,866.51
Step by Step Solution
- Step 1: Write the proportion equation
7,183,085.29 : 9,912,868.29 = 3,920,109.84 : x - Step 2: Convert to fraction form
7,183,085.29/9,912,868.29 = 3,920,109.84/x - Step 3: Cross multiply
7,183,085.29x = 9,912,868.29 × 3,920,109.84 - Step 4: Simplify right side
7,183,085.29x = 38,859,532,526,252.97 - Step 5: Solve for x
x = 38,859,532,526,252.97/7,183,085.29 - Step 6: Final answer
x = 5,409,866.51
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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.