Finding the Fourth Proportional to 11,184,696.76, 15,434,734.80 and 6,289,917.24
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Solution
The fourth proportional to 11,184,696.76, 15,434,734.80 and 6,289,917.24 is: 8,680,003.28
Step by Step Solution
- Step 1: Write the proportion equation
11,184,696.76 : 15,434,734.80 = 6,289,917.24 : x - Step 2: Convert to fraction form
11,184,696.76/15,434,734.80 = 6,289,917.24/x - Step 3: Cross multiply
11,184,696.76x = 15,434,734.80 × 6,289,917.24 - Step 4: Simplify right side
11,184,696.76x = 97,083,204,513,347.95 - Step 5: Solve for x
x = 97,083,204,513,347.95/11,184,696.76 - Step 6: Final answer
x = 8,680,003.28
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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.