Finding the Fourth Proportional to 52,053,743.70, 71,834,173.11 and 28,850,368.68
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Solution
The fourth proportional to 52,053,743.70, 71,834,173.11 and 28,850,368.68 is: 39,813,512.55
Step by Step Solution
- Step 1: Write the proportion equation
52,053,743.70 : 71,834,173.11 = 28,850,368.68 : x - Step 2: Convert to fraction form
52,053,743.70/71,834,173.11 = 28,850,368.68/x - Step 3: Cross multiply
52,053,743.70x = 71,834,173.11 × 28,850,368.68 - Step 4: Simplify right side
52,053,743.70x = 2,072,442,378,046,442.25 - Step 5: Solve for x
x = 2,072,442,378,046,442.25/52,053,743.70 - Step 6: Final answer
x = 39,813,512.55
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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.