Finding the Fourth Proportional to 51,475,114.71, 77,212,606.86 and 13,136,629.68
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Solution
The fourth proportional to 51,475,114.71, 77,212,606.86 and 13,136,629.68 is: 19,704,927.88
Step by Step Solution
- Step 1: Write the proportion equation
51,475,114.71 : 77,212,606.86 = 13,136,629.68 : x - Step 2: Convert to fraction form
51,475,114.71/77,212,606.86 = 13,136,629.68/x - Step 3: Cross multiply
51,475,114.71x = 77,212,606.86 × 13,136,629.68 - Step 4: Simplify right side
51,475,114.71x = 1,014,313,422,947,247.62 - Step 5: Solve for x
x = 1,014,313,422,947,247.62/51,475,114.71 - Step 6: Final answer
x = 19,704,927.88
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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.