Finding the Fourth Proportional to 19,541,624.46, 29,312,686.14 and 5,164,568.04
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Solution
The fourth proportional to 19,541,624.46, 29,312,686.14 and 5,164,568.04 is: 7,746,917.99
Step by Step Solution
- Step 1: Write the proportion equation
19,541,624.46 : 29,312,686.14 = 5,164,568.04 : x - Step 2: Convert to fraction form
19,541,624.46/29,312,686.14 = 5,164,568.04/x - Step 3: Cross multiply
19,541,624.46x = 29,312,686.14 × 5,164,568.04 - Step 4: Simplify right side
19,541,624.46x = 151,387,362,005,194.97 - Step 5: Solve for x
x = 151,387,362,005,194.97/19,541,624.46 - Step 6: Final answer
x = 7,746,917.99
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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.