Finding the Fourth Proportional to 19,960,205.70, 27,538,318.15 and 16,282,765.20
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Solution
The fourth proportional to 19,960,205.70, 27,538,318.15 and 16,282,765.20 is: 22,464,696.77
Step by Step Solution
- Step 1: Write the proportion equation
19,960,205.70 : 27,538,318.15 = 16,282,765.20 : x - Step 2: Convert to fraction form
19,960,205.70/27,538,318.15 = 16,282,765.20/x - Step 3: Cross multiply
19,960,205.70x = 27,538,318.15 × 16,282,765.20 - Step 4: Simplify right side
19,960,205.70x = 448,399,968,439,348.31 - Step 5: Solve for x
x = 448,399,968,439,348.31/19,960,205.70 - Step 6: Final answer
x = 22,464,696.77
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1.5x scale
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.