Finding the Fourth Proportional to 18,309,902.99, 27,460,228.97 and 6,789,038.49
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Solution
The fourth proportional to 18,309,902.99, 27,460,228.97 and 6,789,038.49 is: 10,181,842.67
Step by Step Solution
- Step 1: Write the proportion equation
18,309,902.99 : 27,460,228.97 = 6,789,038.49 : x - Step 2: Convert to fraction form
18,309,902.99/27,460,228.97 = 6,789,038.49/x - Step 3: Cross multiply
18,309,902.99x = 27,460,228.97 × 6,789,038.49 - Step 4: Simplify right side
18,309,902.99x = 186,428,551,438,515.66 - Step 5: Solve for x
x = 186,428,551,438,515.66/18,309,902.99 - Step 6: Final answer
x = 10,181,842.67
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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.