Finding the Fourth Proportional to 19,209,645.65, 28,816,487.00 and 6,256,804.97
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Solution
The fourth proportional to 19,209,645.65, 28,816,487.00 and 6,256,804.97 is: 9,385,864.91
Step by Step Solution
- Step 1: Write the proportion equation
19,209,645.65 : 28,816,487.00 = 6,256,804.97 : x - Step 2: Convert to fraction form
19,209,645.65/28,816,487.00 = 6,256,804.97/x - Step 3: Cross multiply
19,209,645.65x = 28,816,487.00 × 6,256,804.97 - Step 4: Simplify right side
19,209,645.65x = 180,299,138,904,173.94 - Step 5: Solve for x
x = 180,299,138,904,173.94/19,209,645.65 - Step 6: Final answer
x = 9,385,864.91
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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.