Finding the Fourth Proportional to 11,362,887.19, 15,680,331.27 and 6,401,212.95
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Solution
The fourth proportional to 11,362,887.19, 15,680,331.27 and 6,401,212.95 is: 8,833,418.65
Step by Step Solution
- Step 1: Write the proportion equation
11,362,887.19 : 15,680,331.27 = 6,401,212.95 : x - Step 2: Convert to fraction form
11,362,887.19/15,680,331.27 = 6,401,212.95/x - Step 3: Cross multiply
11,362,887.19x = 15,680,331.27 × 6,401,212.95 - Step 4: Simplify right side
11,362,887.19x = 100,373,139,644,615.19 - Step 5: Solve for x
x = 100,373,139,644,615.19/11,362,887.19 - Step 6: Final answer
x = 8,833,418.65
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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.