Finding the Fourth Proportional to 14,448,802.07, 19,942,243.58 and 8,571,698.42
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Solution
The fourth proportional to 14,448,802.07, 19,942,243.58 and 8,571,698.42 is: 11,830,662.28
Step by Step Solution
- Step 1: Write the proportion equation
14,448,802.07 : 19,942,243.58 = 8,571,698.42 : x - Step 2: Convert to fraction form
14,448,802.07/19,942,243.58 = 8,571,698.42/x - Step 3: Cross multiply
14,448,802.07x = 19,942,243.58 × 8,571,698.42 - Step 4: Simplify right side
14,448,802.07x = 170,938,897,707,659.16 - Step 5: Solve for x
x = 170,938,897,707,659.16/14,448,802.07 - Step 6: Final answer
x = 11,830,662.28
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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.