Finding the Fourth Proportional to 7,017,132.49, 10,510,774.95 and 3,368,483.70
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Solution
The fourth proportional to 7,017,132.49, 10,510,774.95 and 3,368,483.70 is: 5,045,561.58
Step by Step Solution
- Step 1: Write the proportion equation
7,017,132.49 : 10,510,774.95 = 3,368,483.70 : x - Step 2: Convert to fraction form
7,017,132.49/10,510,774.95 = 3,368,483.70/x - Step 3: Cross multiply
7,017,132.49x = 10,510,774.95 × 3,368,483.70 - Step 4: Simplify right side
7,017,132.49x = 35,405,374,093,443.31 - Step 5: Solve for x
x = 35,405,374,093,443.31/7,017,132.49 - Step 6: Final answer
x = 5,045,561.58
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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.