Finding the Fourth Proportional to 17,830,664.09, 24,607,021.98 and 9,990,243.97
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Solution
The fourth proportional to 17,830,664.09, 24,607,021.98 and 9,990,243.97 is: 13,786,931.98
Step by Step Solution
- Step 1: Write the proportion equation
17,830,664.09 : 24,607,021.98 = 9,990,243.97 : x - Step 2: Convert to fraction form
17,830,664.09/24,607,021.98 = 9,990,243.97/x - Step 3: Cross multiply
17,830,664.09x = 24,607,021.98 × 9,990,243.97 - Step 4: Simplify right side
17,830,664.09x = 245,830,152,955,352.47 - Step 5: Solve for x
x = 245,830,152,955,352.47/17,830,664.09 - Step 6: Final answer
x = 13,786,931.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.