Finding the Fourth Proportional to 51,475,139.68, 77,212,644.30 and 13,136,654.68
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Solution
The fourth proportional to 51,475,139.68, 77,212,644.30 and 13,136,654.68 is: 19,704,965.38
Step by Step Solution
- Step 1: Write the proportion equation
51,475,139.68 : 77,212,644.30 = 13,136,654.68 : x - Step 2: Convert to fraction form
51,475,139.68/77,212,644.30 = 13,136,654.68/x - Step 3: Cross multiply
51,475,139.68x = 77,212,644.30 × 13,136,654.68 - Step 4: Simplify right side
51,475,139.68x = 1,014,315,845,098,770.25 - Step 5: Solve for x
x = 1,014,315,845,098,770.25/51,475,139.68 - Step 6: Final answer
x = 19,704,965.38
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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.