Finding the Fourth Proportional to 28,475,614.73, 39,299,542.20 and 16,086,506.21
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Solution
The fourth proportional to 28,475,614.73, 39,299,542.20 and 16,086,506.21 is: 22,201,182.86
Step by Step Solution
- Step 1: Write the proportion equation
28,475,614.73 : 39,299,542.20 = 16,086,506.21 : x - Step 2: Convert to fraction form
28,475,614.73/39,299,542.20 = 16,086,506.21/x - Step 3: Cross multiply
28,475,614.73x = 39,299,542.20 × 16,086,506.21 - Step 4: Simplify right side
28,475,614.73x = 632,192,329,453,959.38 - Step 5: Solve for x
x = 632,192,329,453,959.38/28,475,614.73 - Step 6: Final answer
x = 22,201,182.86
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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.