Finding the Fourth Proportional to 9,721,329.21, 14,584,095.68 and 5,171,716.76
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Solution
The fourth proportional to 9,721,329.21, 14,584,095.68 and 5,171,716.76 is: 7,758,693.32
Step by Step Solution
- Step 1: Write the proportion equation
9,721,329.21 : 14,584,095.68 = 5,171,716.76 : x - Step 2: Convert to fraction form
9,721,329.21/14,584,095.68 = 5,171,716.76/x - Step 3: Cross multiply
9,721,329.21x = 14,584,095.68 × 5,171,716.76 - Step 4: Simplify right side
9,721,329.21x = 75,424,811,958,920.53 - Step 5: Solve for x
x = 75,424,811,958,920.53/9,721,329.21 - Step 6: Final answer
x = 7,758,693.32
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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.