Finding the Fourth Proportional to 9,170,935.68, 12,634,017.48 and 6,412,461.54
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Solution
The fourth proportional to 9,170,935.68, 12,634,017.48 and 6,412,461.54 is: 8,833,902.45
Step by Step Solution
- Step 1: Write the proportion equation
9,170,935.68 : 12,634,017.48 = 6,412,461.54 : x - Step 2: Convert to fraction form
9,170,935.68/12,634,017.48 = 6,412,461.54/x - Step 3: Cross multiply
9,170,935.68x = 12,634,017.48 × 6,412,461.54 - Step 4: Simplify right side
9,170,935.68x = 81,015,151,186,187.72 - Step 5: Solve for x
x = 81,015,151,186,187.72/9,170,935.68 - Step 6: Final answer
x = 8,833,902.45
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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.