Finding the Fourth Proportional to 36,210,317.99, 49,968,717.73 and 20,530,397.33
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Solution
The fourth proportional to 36,210,317.99, 49,968,717.73 and 20,530,397.33 is: 28,331,085.88
Step by Step Solution
- Step 1: Write the proportion equation
36,210,317.99 : 49,968,717.73 = 20,530,397.33 : x - Step 2: Convert to fraction form
36,210,317.99/49,968,717.73 = 20,530,397.33/x - Step 3: Cross multiply
36,210,317.99x = 49,968,717.73 × 20,530,397.33 - Step 4: Simplify right side
36,210,317.99x = 1,025,877,628,817,672 - Step 5: Solve for x
x = 1,025,877,628,817,672/36,210,317.99 - Step 6: Final answer
x = 28,331,085.88
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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.