Finding the Fourth Proportional to 19,852,694.24, 27,399,968.55 and 16,539,735.06
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Solution
The fourth proportional to 19,852,694.24, 27,399,968.55 and 16,539,735.06 is: 22,827,542.45
Step by Step Solution
- Step 1: Write the proportion equation
19,852,694.24 : 27,399,968.55 = 16,539,735.06 : x - Step 2: Convert to fraction form
19,852,694.24/27,399,968.55 = 16,539,735.06/x - Step 3: Cross multiply
19,852,694.24x = 27,399,968.55 × 16,539,735.06 - Step 4: Simplify right side
19,852,694.24x = 453,188,220,469,332.38 - Step 5: Solve for x
x = 453,188,220,469,332.38/19,852,694.24 - Step 6: Final answer
x = 22,827,542.45
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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.