Finding the Fourth Proportional to 29,456,415.36, 40,628,913.36 and 19,661,921.28
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Solution
The fourth proportional to 29,456,415.36, 40,628,913.36 and 19,661,921.28 is: 27,119,474.19
Step by Step Solution
- Step 1: Write the proportion equation
29,456,415.36 : 40,628,913.36 = 19,661,921.28 : x - Step 2: Convert to fraction form
29,456,415.36/40,628,913.36 = 19,661,921.28/x - Step 3: Cross multiply
29,456,415.36x = 40,628,913.36 × 19,661,921.28 - Step 4: Simplify right side
29,456,415.36x = 798,842,496,176,260.38 - Step 5: Solve for x
x = 798,842,496,176,260.38/29,456,415.36 - Step 6: Final answer
x = 27,119,474.19
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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.