Finding the Fourth Proportional to 7,346,734.80, 11,020,348.26 and 2,554,465.58
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Solution
The fourth proportional to 7,346,734.80, 11,020,348.26 and 2,554,465.58 is: 3,831,783.92
Step by Step Solution
- Step 1: Write the proportion equation
7,346,734.80 : 11,020,348.26 = 2,554,465.58 : x - Step 2: Convert to fraction form
7,346,734.80/11,020,348.26 = 2,554,465.58/x - Step 3: Cross multiply
7,346,734.80x = 11,020,348.26 × 2,554,465.58 - Step 4: Simplify right side
7,346,734.80x = 28,151,100,254,681.15 - Step 5: Solve for x
x = 28,151,100,254,681.15/7,346,734.80 - Step 6: Final answer
x = 3,831,783.92
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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.