Finding the Fourth Proportional to 51,475,121.70, 77,212,617.35 and 13,136,636.67
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Solution
The fourth proportional to 51,475,121.70, 77,212,617.35 and 13,136,636.67 is: 19,704,938.36
Step by Step Solution
- Step 1: Write the proportion equation
51,475,121.70 : 77,212,617.35 = 13,136,636.67 : x - Step 2: Convert to fraction form
51,475,121.70/77,212,617.35 = 13,136,636.67/x - Step 3: Cross multiply
51,475,121.70x = 77,212,617.35 × 13,136,636.67 - Step 4: Simplify right side
51,475,121.70x = 1,014,314,100,401,005 - Step 5: Solve for x
x = 1,014,314,100,401,005/51,475,121.70 - Step 6: Final answer
x = 19,704,938.36
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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.