Finding the Fourth Proportional to 36,210,318.74, 49,968,718.77 and 20,530,398.08
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Solution
The fourth proportional to 36,210,318.74, 49,968,718.77 and 20,530,398.08 is: 28,331,086.92
Step by Step Solution
- Step 1: Write the proportion equation
36,210,318.74 : 49,968,718.77 = 20,530,398.08 : x - Step 2: Convert to fraction form
36,210,318.74/49,968,718.77 = 20,530,398.08/x - Step 3: Cross multiply
36,210,318.74x = 49,968,718.77 × 20,530,398.08 - Step 4: Simplify right side
36,210,318.74x = 1,025,877,687,543,172.38 - Step 5: Solve for x
x = 1,025,877,687,543,172.38/36,210,318.74 - Step 6: Final answer
x = 28,331,086.92
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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.