Finding the Fourth Proportional to 28,659,274.74, 42,995,553.31 and 8,189,260.92
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Solution
The fourth proportional to 28,659,274.74, 42,995,553.31 and 8,189,260.92 is: 12,285,789.07
Step by Step Solution
- Step 1: Write the proportion equation
28,659,274.74 : 42,995,553.31 = 8,189,260.92 : x - Step 2: Convert to fraction form
28,659,274.74/42,995,553.31 = 8,189,260.92/x - Step 3: Cross multiply
28,659,274.74x = 42,995,553.31 × 8,189,260.92 - Step 4: Simplify right side
28,659,274.74x = 352,101,804,465,596.25 - Step 5: Solve for x
x = 352,101,804,465,596.25/28,659,274.74 - Step 6: Final answer
x = 12,285,789.07
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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.