Finding the Fourth Proportional to 19,965,028.49, 27,551,739.30 and 10,797,671.24
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Solution
The fourth proportional to 19,965,028.49, 27,551,739.30 and 10,797,671.24 is: 14,900,786.30
Step by Step Solution
- Step 1: Write the proportion equation
19,965,028.49 : 27,551,739.30 = 10,797,671.24 : x - Step 2: Convert to fraction form
19,965,028.49/27,551,739.30 = 10,797,671.24/x - Step 3: Cross multiply
19,965,028.49x = 27,551,739.30 × 10,797,671.24 - Step 4: Simplify right side
19,965,028.49x = 297,494,623,051,587.75 - Step 5: Solve for x
x = 297,494,623,051,587.75/19,965,028.49 - Step 6: Final answer
x = 14,900,786.30
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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.