Finding the Fourth Proportional to 33,161,115.76, 45,762,517.20 and 19,031,175.50
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Solution
The fourth proportional to 33,161,115.76, 45,762,517.20 and 19,031,175.50 is: 26,263,124.02
Step by Step Solution
- Step 1: Write the proportion equation
33,161,115.76 : 45,762,517.20 = 19,031,175.50 : x - Step 2: Convert to fraction form
33,161,115.76/45,762,517.20 = 19,031,175.50/x - Step 3: Cross multiply
33,161,115.76x = 45,762,517.20 × 19,031,175.50 - Step 4: Simplify right side
33,161,115.76x = 870,914,495,890,472.50 - Step 5: Solve for x
x = 870,914,495,890,472.50/33,161,115.76 - Step 6: Final answer
x = 26,263,124.02
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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.