Finding the Fourth Proportional to 26,288,554.48, 39,397,583.12 and 20,459,778.06
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Solution
The fourth proportional to 26,288,554.48, 39,397,583.12 and 20,459,778.06 is: 30,662,233.91
Step by Step Solution
- Step 1: Write the proportion equation
26,288,554.48 : 39,397,583.12 = 20,459,778.06 : x - Step 2: Convert to fraction form
26,288,554.48/39,397,583.12 = 20,459,778.06/x - Step 3: Cross multiply
26,288,554.48x = 39,397,583.12 × 20,459,778.06 - Step 4: Simplify right side
26,288,554.48x = 806,065,806,735,602.25 - Step 5: Solve for x
x = 806,065,806,735,602.25/26,288,554.48 - Step 6: Final answer
x = 30,662,233.91
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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.