Finding the Fourth Proportional to 7,804,618.84, 11,709,474.08 and 3,486,142.72
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Solution
The fourth proportional to 7,804,618.84, 11,709,474.08 and 3,486,142.72 is: 5,230,351.24
Step by Step Solution
- Step 1: Write the proportion equation
7,804,618.84 : 11,709,474.08 = 3,486,142.72 : x - Step 2: Convert to fraction form
7,804,618.84/11,709,474.08 = 3,486,142.72/x - Step 3: Cross multiply
7,804,618.84x = 11,709,474.08 × 3,486,142.72 - Step 4: Simplify right side
7,804,618.84x = 40,820,897,819,020.70 - Step 5: Solve for x
x = 40,820,897,819,020.70/7,804,618.84 - Step 6: Final answer
x = 5,230,351.24
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.