Finding the Fourth Proportional to 11,685,695.94, 16,127,095.31 and 6,458,591.66
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Solution
The fourth proportional to 11,685,695.94, 16,127,095.31 and 6,458,591.66 is: 8,913,317.95
Step by Step Solution
- Step 1: Write the proportion equation
11,685,695.94 : 16,127,095.31 = 6,458,591.66 : x - Step 2: Convert to fraction form
11,685,695.94/16,127,095.31 = 6,458,591.66/x - Step 3: Cross multiply
11,685,695.94x = 16,127,095.31 × 6,458,591.66 - Step 4: Simplify right side
11,685,695.94x = 104,158,323,325,655.33 - Step 5: Solve for x
x = 104,158,323,325,655.33/11,685,695.94 - Step 6: Final answer
x = 8,913,317.95
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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.