Finding the Fourth Proportional to 51,475,129.68, 77,212,629.30 and 13,136,644.68
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Solution
The fourth proportional to 51,475,129.68, 77,212,629.30 and 13,136,644.68 is: 19,704,950.38
Step by Step Solution
- Step 1: Write the proportion equation
51,475,129.68 : 77,212,629.30 = 13,136,644.68 : x - Step 2: Convert to fraction form
51,475,129.68/77,212,629.30 = 13,136,644.68/x - Step 3: Cross multiply
51,475,129.68x = 77,212,629.30 × 13,136,644.68 - Step 4: Simplify right side
51,475,129.68x = 1,014,314,875,922,657 - Step 5: Solve for x
x = 1,014,314,875,922,657/51,475,129.68 - Step 6: Final answer
x = 19,704,950.38
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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.