Finding the Fourth Proportional to 7,149,287.21, 10,724,005.53 and 2,832,387.95
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Solution
The fourth proportional to 7,149,287.21, 10,724,005.53 and 2,832,387.95 is: 4,248,611.53
Step by Step Solution
- Step 1: Write the proportion equation
7,149,287.21 : 10,724,005.53 = 2,832,387.95 : x - Step 2: Convert to fraction form
7,149,287.21/10,724,005.53 = 2,832,387.95/x - Step 3: Cross multiply
7,149,287.21x = 10,724,005.53 × 2,832,387.95 - Step 4: Simplify right side
7,149,287.21x = 30,374,544,065,715.38 - Step 5: Solve for x
x = 30,374,544,065,715.38/7,149,287.21 - Step 6: Final answer
x = 4,248,611.53
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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.