Finding the Fourth Proportional to 33,236,476.90, 49,854,715.35 and 31,220,937.70
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Solution
The fourth proportional to 33,236,476.90, 49,854,715.35 and 31,220,937.70 is: 46,831,406.55
Step by Step Solution
- Step 1: Write the proportion equation
33,236,476.90 : 49,854,715.35 = 31,220,937.70 : x - Step 2: Convert to fraction form
33,236,476.90/49,854,715.35 = 31,220,937.70/x - Step 3: Cross multiply
33,236,476.90x = 49,854,715.35 × 31,220,937.70 - Step 4: Simplify right side
33,236,476.90x = 1,556,510,961,993,583.75 - Step 5: Solve for x
x = 1,556,510,961,993,583.75/33,236,476.90 - Step 6: Final answer
x = 46,831,406.55
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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.