Finding the Fourth Proportional to 19,980,424.33, 29,952,265.69 and 7,197,802.99
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Solution
The fourth proportional to 19,980,424.33, 29,952,265.69 and 7,197,802.99 is: 10,790,086.54
Step by Step Solution
- Step 1: Write the proportion equation
19,980,424.33 : 29,952,265.69 = 7,197,802.99 : x - Step 2: Convert to fraction form
19,980,424.33/29,952,265.69 = 7,197,802.99/x - Step 3: Cross multiply
19,980,424.33x = 29,952,265.69 × 7,197,802.99 - Step 4: Simplify right side
19,980,424.33x = 215,590,507,540,756.44 - Step 5: Solve for x
x = 215,590,507,540,756.44/19,980,424.33 - Step 6: Final answer
x = 10,790,086.54
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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.