Finding the Fourth Proportional to 35,529,386.72, 53,299,163.84 and 10,939,393.92
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Solution
The fourth proportional to 35,529,386.72, 53,299,163.84 and 10,939,393.92 is: 16,410,656.15
Step by Step Solution
- Step 1: Write the proportion equation
35,529,386.72 : 53,299,163.84 = 10,939,393.92 : x - Step 2: Convert to fraction form
35,529,386.72/53,299,163.84 = 10,939,393.92/x - Step 3: Cross multiply
35,529,386.72x = 53,299,163.84 × 10,939,393.92 - Step 4: Simplify right side
35,529,386.72x = 583,060,548,852,379.88 - Step 5: Solve for x
x = 583,060,548,852,379.88/35,529,386.72 - Step 6: Final answer
x = 16,410,656.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.