Finding the Fourth Proportional to 15,135,574.23, 20,886,800.99 and 8,260,105.50
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Solution
The fourth proportional to 15,135,574.23, 20,886,800.99 and 8,260,105.50 is: 11,398,786.53
Step by Step Solution
- Step 1: Write the proportion equation
15,135,574.23 : 20,886,800.99 = 8,260,105.50 : x - Step 2: Convert to fraction form
15,135,574.23/20,886,800.99 = 8,260,105.50/x - Step 3: Cross multiply
15,135,574.23x = 20,886,800.99 × 8,260,105.50 - Step 4: Simplify right side
15,135,574.23x = 172,527,179,693,603.91 - Step 5: Solve for x
x = 172,527,179,693,603.91/15,135,574.23 - Step 6: Final answer
x = 11,398,786.53
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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.