Finding the Fourth Proportional to 26,374,982.81, 39,558,882.83 and 6,942,581.42
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Solution
The fourth proportional to 26,374,982.81, 39,558,882.83 and 6,942,581.42 is: 10,412,926.78
Step by Step Solution
- Step 1: Write the proportion equation
26,374,982.81 : 39,558,882.83 = 6,942,581.42 : x - Step 2: Convert to fraction form
26,374,982.81/39,558,882.83 = 6,942,581.42/x - Step 3: Cross multiply
26,374,982.81x = 39,558,882.83 × 6,942,581.42 - Step 4: Simplify right side
26,374,982.81x = 274,640,764,931,515 - Step 5: Solve for x
x = 274,640,764,931,515/26,374,982.81 - Step 6: Final answer
x = 10,412,926.78
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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.