Finding the Fourth Proportional to 19,965,028.74, 27,551,739.65 and 10,797,671.49
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Solution
The fourth proportional to 19,965,028.74, 27,551,739.65 and 10,797,671.49 is: 14,900,786.65
Step by Step Solution
- Step 1: Write the proportion equation
19,965,028.74 : 27,551,739.65 = 10,797,671.49 : x - Step 2: Convert to fraction form
19,965,028.74/27,551,739.65 = 10,797,671.49/x - Step 3: Cross multiply
19,965,028.74x = 27,551,739.65 × 10,797,671.49 - Step 4: Simplify right side
19,965,028.74x = 297,494,633,664,719.25 - Step 5: Solve for x
x = 297,494,633,664,719.25/19,965,028.74 - Step 6: Final answer
x = 14,900,786.65
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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.