Finding the Fourth Proportional to 11,134,431.24, 15,365,544.18 and 6,490,973.32
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Solution
The fourth proportional to 11,134,431.24, 15,365,544.18 and 6,490,973.32 is: 8,957,560.13
Step by Step Solution
- Step 1: Write the proportion equation
11,134,431.24 : 15,365,544.18 = 6,490,973.32 : x - Step 2: Convert to fraction form
11,134,431.24/15,365,544.18 = 6,490,973.32/x - Step 3: Cross multiply
11,134,431.24x = 15,365,544.18 × 6,490,973.32 - Step 4: Simplify right side
11,134,431.24x = 99,737,337,319,661.28 - Step 5: Solve for x
x = 99,737,337,319,661.28/11,134,431.24 - Step 6: Final answer
x = 8,957,560.13
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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.