Finding the Fourth Proportional to 19,083,409.05, 28,624,982.22 and 7,723,693.65
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Solution
The fourth proportional to 19,083,409.05, 28,624,982.22 and 7,723,693.65 is: 11,585,487.31
Step by Step Solution
- Step 1: Write the proportion equation
19,083,409.05 : 28,624,982.22 = 7,723,693.65 : x - Step 2: Convert to fraction form
19,083,409.05/28,624,982.22 = 7,723,693.65/x - Step 3: Cross multiply
19,083,409.05x = 28,624,982.22 × 7,723,693.65 - Step 4: Simplify right side
19,083,409.05x = 221,090,593,403,976.91 - Step 5: Solve for x
x = 221,090,593,403,976.91/19,083,409.05 - Step 6: Final answer
x = 11,585,487.31
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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.