Finding the Fourth Proportional to 6,358,792.32, 8,775,167.04 and 3,458,206.08
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Solution
The fourth proportional to 6,358,792.32, 8,775,167.04 and 3,458,206.08 is: 4,772,342.68
Step by Step Solution
- Step 1: Write the proportion equation
6,358,792.32 : 8,775,167.04 = 3,458,206.08 : x - Step 2: Convert to fraction form
6,358,792.32/8,775,167.04 = 3,458,206.08/x - Step 3: Cross multiply
6,358,792.32x = 8,775,167.04 × 3,458,206.08 - Step 4: Simplify right side
6,358,792.32x = 30,346,336,010,743.60 - Step 5: Solve for x
x = 30,346,336,010,743.60/6,358,792.32 - Step 6: Final answer
x = 4,772,342.68
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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.