Finding the Fourth Proportional to 7,270,175.74, 10,032,903.58 and 4,006,998.82
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Solution
The fourth proportional to 7,270,175.74, 10,032,903.58 and 4,006,998.82 is: 5,529,692.02
Step by Step Solution
- Step 1: Write the proportion equation
7,270,175.74 : 10,032,903.58 = 4,006,998.82 : x - Step 2: Convert to fraction form
7,270,175.74/10,032,903.58 = 4,006,998.82/x - Step 3: Cross multiply
7,270,175.74x = 10,032,903.58 × 4,006,998.82 - Step 4: Simplify right side
7,270,175.74x = 40,201,832,756,069.26 - Step 5: Solve for x
x = 40,201,832,756,069.26/7,270,175.74 - Step 6: Final answer
x = 5,529,692.02
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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.