Finding the Fourth Proportional to 39,283,558.74, 54,215,539.48 and 21,644,234.61
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Solution
The fourth proportional to 39,283,558.74, 54,215,539.48 and 21,644,234.61 is: 29,871,373.51
Step by Step Solution
- Step 1: Write the proportion equation
39,283,558.74 : 54,215,539.48 = 21,644,234.61 : x - Step 2: Convert to fraction form
39,283,558.74/54,215,539.48 = 21,644,234.61/x - Step 3: Cross multiply
39,283,558.74x = 54,215,539.48 × 21,644,234.61 - Step 4: Simplify right side
39,283,558.74x = 1,173,453,855,836,584.50 - Step 5: Solve for x
x = 1,173,453,855,836,584.50/39,283,558.74 - Step 6: Final answer
x = 29,871,373.51
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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.