Finding the Fourth Proportional to 7,445,478.84, 10,271,573.65 and 4,649,748.49
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Solution
The fourth proportional to 7,445,478.84, 10,271,573.65 and 4,649,748.49 is: 6,414,662.52
Step by Step Solution
- Step 1: Write the proportion equation
7,445,478.84 : 10,271,573.65 = 4,649,748.49 : x - Step 2: Convert to fraction form
7,445,478.84/10,271,573.65 = 4,649,748.49/x - Step 3: Cross multiply
7,445,478.84x = 10,271,573.65 × 4,649,748.49 - Step 4: Simplify right side
7,445,478.84x = 47,760,234,069,011.29 - Step 5: Solve for x
x = 47,760,234,069,011.29/7,445,478.84 - Step 6: Final answer
x = 6,414,662.52
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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.