Finding the Fourth Proportional to 39,873,868.84, 59,809,942.46 and 11,119,239.08
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Solution
The fourth proportional to 39,873,868.84, 59,809,942.46 and 11,119,239.08 is: 16,678,618.58
Step by Step Solution
- Step 1: Write the proportion equation
39,873,868.84 : 59,809,942.46 = 11,119,239.08 : x - Step 2: Convert to fraction form
39,873,868.84/59,809,942.46 = 11,119,239.08/x - Step 3: Cross multiply
39,873,868.84x = 59,809,942.46 × 11,119,239.08 - Step 4: Simplify right side
39,873,868.84x = 665,041,049,573,783.38 - Step 5: Solve for x
x = 665,041,049,573,783.38/39,873,868.84 - Step 6: Final answer
x = 16,678,618.58
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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.