Finding the Fourth Proportional to 18,424,896.98, 27,640,887.88 and 7,064,459.66
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Solution
The fourth proportional to 18,424,896.98, 27,640,887.88 and 7,064,459.66 is: 10,598,047.72
Step by Step Solution
- Step 1: Write the proportion equation
18,424,896.98 : 27,640,887.88 = 7,064,459.66 : x - Step 2: Convert to fraction form
18,424,896.98/27,640,887.88 = 7,064,459.66/x - Step 3: Cross multiply
18,424,896.98x = 27,640,887.88 × 7,064,459.66 - Step 4: Simplify right side
18,424,896.98x = 195,267,937,394,842.91 - Step 5: Solve for x
x = 195,267,937,394,842.91/18,424,896.98 - Step 6: Final answer
x = 10,598,047.72
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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.