Finding the Fourth Proportional to 11,214,907.29, 15,477,482.79 and 6,320,460.87
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Solution
The fourth proportional to 11,214,907.29, 15,477,482.79 and 6,320,460.87 is: 8,722,749.27
Step by Step Solution
- Step 1: Write the proportion equation
11,214,907.29 : 15,477,482.79 = 6,320,460.87 : x - Step 2: Convert to fraction form
11,214,907.29/15,477,482.79 = 6,320,460.87/x - Step 3: Cross multiply
11,214,907.29x = 15,477,482.79 × 6,320,460.87 - Step 4: Simplify right side
11,214,907.29x = 97,824,824,340,293.42 - Step 5: Solve for x
x = 97,824,824,340,293.42/11,214,907.29 - Step 6: Final answer
x = 8,722,749.27
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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.