Finding the Fourth Proportional to 51,475,113.84, 77,212,605.54 and 13,136,628.81
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Solution
The fourth proportional to 51,475,113.84, 77,212,605.54 and 13,136,628.81 is: 19,704,926.57
Step by Step Solution
- Step 1: Write the proportion equation
51,475,113.84 : 77,212,605.54 = 13,136,628.81 : x - Step 2: Convert to fraction form
51,475,113.84/77,212,605.54 = 13,136,628.81/x - Step 3: Cross multiply
51,475,113.84x = 77,212,605.54 × 13,136,628.81 - Step 4: Simplify right side
51,475,113.84x = 1,014,313,338,431,929.75 - Step 5: Solve for x
x = 1,014,313,338,431,929.75/51,475,113.84 - Step 6: Final answer
x = 19,704,926.57
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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.