Finding the Fourth Proportional to 36,862,362.26, 50,871,281.70 and 20,118,018.68
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Solution
The fourth proportional to 36,862,362.26, 50,871,281.70 and 20,118,018.68 is: 27,763,532.58
Step by Step Solution
- Step 1: Write the proportion equation
36,862,362.26 : 50,871,281.70 = 20,118,018.68 : x - Step 2: Convert to fraction form
36,862,362.26/50,871,281.70 = 20,118,018.68/x - Step 3: Cross multiply
36,862,362.26x = 50,871,281.70 × 20,118,018.68 - Step 4: Simplify right side
36,862,362.26x = 1,023,429,395,516,142.25 - Step 5: Solve for x
x = 1,023,429,395,516,142.25/36,862,362.26 - Step 6: Final answer
x = 27,763,532.58
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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.