Finding the Fourth Proportional to 50,269,639.24, 69,372,166.98 and 28,539,607.24
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Solution
The fourth proportional to 50,269,639.24, 69,372,166.98 and 28,539,607.24 is: 39,384,694.80
Step by Step Solution
- Step 1: Write the proportion equation
50,269,639.24 : 69,372,166.98 = 28,539,607.24 : x - Step 2: Convert to fraction form
50,269,639.24/69,372,166.98 = 28,539,607.24/x - Step 3: Cross multiply
50,269,639.24x = 69,372,166.98 × 28,539,607.24 - Step 4: Simplify right side
50,269,639.24x = 1,979,854,398,996,897 - Step 5: Solve for x
x = 1,979,854,398,996,897/50,269,639.24 - Step 6: Final answer
x = 39,384,694.80
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1.5x scale
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.