Finding the Fourth Proportional to 9,170,959.68, 12,634,050.60 and 6,412,485.78
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Solution
The fourth proportional to 9,170,959.68, 12,634,050.60 and 6,412,485.78 is: 8,833,935.88
Step by Step Solution
- Step 1: Write the proportion equation
9,170,959.68 : 12,634,050.60 = 6,412,485.78 : x - Step 2: Convert to fraction form
9,170,959.68/12,634,050.60 = 6,412,485.78/x - Step 3: Cross multiply
9,170,959.68x = 12,634,050.60 × 6,412,485.78 - Step 4: Simplify right side
9,170,959.68x = 81,015,669,816,300.47 - Step 5: Solve for x
x = 81,015,669,816,300.47/9,170,959.68 - Step 6: Final answer
x = 8,833,935.88
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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.