Finding the Fourth Proportional to 15,746,838.14, 23,620,257.20 and 3,779,574.14
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Solution
The fourth proportional to 15,746,838.14, 23,620,257.20 and 3,779,574.14 is: 5,669,361.21
Step by Step Solution
- Step 1: Write the proportion equation
15,746,838.14 : 23,620,257.20 = 3,779,574.14 : x - Step 2: Convert to fraction form
15,746,838.14/23,620,257.20 = 3,779,574.14/x - Step 3: Cross multiply
15,746,838.14x = 23,620,257.20 × 3,779,574.14 - Step 4: Simplify right side
15,746,838.14x = 89,274,513,293,268.81 - Step 5: Solve for x
x = 89,274,513,293,268.81/15,746,838.14 - Step 6: Final answer
x = 5,669,361.21
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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.