Finding the Fourth Proportional to 51,475,121.71, 77,212,617.36 and 13,136,636.68
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Solution
The fourth proportional to 51,475,121.71, 77,212,617.36 and 13,136,636.68 is: 19,704,938.38
Step by Step Solution
- Step 1: Write the proportion equation
51,475,121.71 : 77,212,617.36 = 13,136,636.68 : x - Step 2: Convert to fraction form
51,475,121.71/77,212,617.36 = 13,136,636.68/x - Step 3: Cross multiply
51,475,121.71x = 77,212,617.36 × 13,136,636.68 - Step 4: Simplify right side
51,475,121.71x = 1,014,314,101,370,180.75 - Step 5: Solve for x
x = 1,014,314,101,370,180.75/51,475,121.71 - Step 6: Final answer
x = 19,704,938.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.