Finding the Fourth Proportional to 8,879,112.60, 12,253,207.68 and 4,804,731.60
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Solution
The fourth proportional to 8,879,112.60, 12,253,207.68 and 4,804,731.60 is: 6,630,547.08
Step by Step Solution
- Step 1: Write the proportion equation
8,879,112.60 : 12,253,207.68 = 4,804,731.60 : x - Step 2: Convert to fraction form
8,879,112.60/12,253,207.68 = 4,804,731.60/x - Step 3: Cross multiply
8,879,112.60x = 12,253,207.68 × 4,804,731.60 - Step 4: Simplify right side
8,879,112.60x = 58,873,374,141,458.68 - Step 5: Solve for x
x = 58,873,374,141,458.68/8,879,112.60 - Step 6: Final answer
x = 6,630,547.08
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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.