Finding the Fourth Proportional to 11,685,695.87, 16,127,094.76 and 6,458,591.70
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Solution
The fourth proportional to 11,685,695.87, 16,127,094.76 and 6,458,591.70 is: 8,913,317.75
Step by Step Solution
- Step 1: Write the proportion equation
11,685,695.87 : 16,127,094.76 = 6,458,591.70 : x - Step 2: Convert to fraction form
11,685,695.87/16,127,094.76 = 6,458,591.70/x - Step 3: Cross multiply
11,685,695.87x = 16,127,094.76 × 6,458,591.70 - Step 4: Simplify right side
11,685,695.87x = 104,158,320,435,530.52 - Step 5: Solve for x
x = 104,158,320,435,530.52/11,685,695.87 - Step 6: Final answer
x = 8,913,317.75
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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.