Finding the Fourth Proportional to 7,792,235.38, 11,688,352.62 and 2,112,312.04
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Solution
The fourth proportional to 7,792,235.38, 11,688,352.62 and 2,112,312.04 is: 3,168,467.94
Step by Step Solution
- Step 1: Write the proportion equation
7,792,235.38 : 11,688,352.62 = 2,112,312.04 : x - Step 2: Convert to fraction form
7,792,235.38/11,688,352.62 = 2,112,312.04/x - Step 3: Cross multiply
7,792,235.38x = 11,688,352.62 × 2,112,312.04 - Step 4: Simplify right side
7,792,235.38x = 24,689,447,966,991.54 - Step 5: Solve for x
x = 24,689,447,966,991.54/7,792,235.38 - Step 6: Final answer
x = 3,168,467.94
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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.