Finding the Fourth Proportional to 10,752,055.97, 16,130,419.36 and 3,928,618.20
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Solution
The fourth proportional to 10,752,055.97, 16,130,419.36 and 3,928,618.20 is: 5,893,780.61
Step by Step Solution
- Step 1: Write the proportion equation
10,752,055.97 : 16,130,419.36 = 3,928,618.20 : x - Step 2: Convert to fraction form
10,752,055.97/16,130,419.36 = 3,928,618.20/x - Step 3: Cross multiply
10,752,055.97x = 16,130,419.36 × 3,928,618.20 - Step 4: Simplify right side
10,752,055.97x = 63,370,259,061,506.81 - Step 5: Solve for x
x = 63,370,259,061,506.81/10,752,055.97 - Step 6: Final answer
x = 5,893,780.61
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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.