Finding the Fourth Proportional to 7,118,006.42, 10,677,337.68 and 2,325,720.80
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Solution
The fourth proportional to 7,118,006.42, 10,677,337.68 and 2,325,720.80 is: 3,488,688.39
Step by Step Solution
- Step 1: Write the proportion equation
7,118,006.42 : 10,677,337.68 = 2,325,720.80 : x - Step 2: Convert to fraction form
7,118,006.42/10,677,337.68 = 2,325,720.80/x - Step 3: Cross multiply
7,118,006.42x = 10,677,337.68 × 2,325,720.80 - Step 4: Simplify right side
7,118,006.42x = 24,832,506,366,414.54 - Step 5: Solve for x
x = 24,832,506,366,414.54/7,118,006.42 - Step 6: Final answer
x = 3,488,688.39
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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.