Finding the Fourth Proportional to 8,458,309.08, 11,672,340.71 and 4,787,921.66
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Solution
The fourth proportional to 8,458,309.08, 11,672,340.71 and 4,787,921.66 is: 6,607,260.66
Step by Step Solution
- Step 1: Write the proportion equation
8,458,309.08 : 11,672,340.71 = 4,787,921.66 : x - Step 2: Convert to fraction form
8,458,309.08/11,672,340.71 = 4,787,921.66/x - Step 3: Cross multiply
8,458,309.08x = 11,672,340.71 × 4,787,921.66 - Step 4: Simplify right side
8,458,309.08x = 55,886,252,826,007.47 - Step 5: Solve for x
x = 55,886,252,826,007.47/8,458,309.08 - Step 6: Final answer
x = 6,607,260.66
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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.