Finding the Fourth Proportional to 26,371,868.16, 39,618,428.80 and 18,608,649.60
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Solution
The fourth proportional to 26,371,868.16, 39,618,428.80 and 18,608,649.60 is: 27,955,754.02
Step by Step Solution
- Step 1: Write the proportion equation
26,371,868.16 : 39,618,428.80 = 18,608,649.60 : x - Step 2: Convert to fraction form
26,371,868.16/39,618,428.80 = 18,608,649.60/x - Step 3: Cross multiply
26,371,868.16x = 39,618,428.80 × 18,608,649.60 - Step 4: Simplify right side
26,371,868.16x = 737,245,459,241,748.50 - Step 5: Solve for x
x = 737,245,459,241,748.50/26,371,868.16 - Step 6: Final answer
x = 27,955,754.02
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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.