Finding the Fourth Proportional to 28,108,472.99, 38,789,796.58 and 16,350,562.29
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Solution
The fourth proportional to 28,108,472.99, 38,789,796.58 and 16,350,562.29 is: 22,563,836.38
Step by Step Solution
- Step 1: Write the proportion equation
28,108,472.99 : 38,789,796.58 = 16,350,562.29 : x - Step 2: Convert to fraction form
28,108,472.99/38,789,796.58 = 16,350,562.29/x - Step 3: Cross multiply
28,108,472.99x = 38,789,796.58 × 16,350,562.29 - Step 4: Simplify right side
28,108,472.99x = 634,234,985,302,304.25 - Step 5: Solve for x
x = 634,234,985,302,304.25/28,108,472.99 - Step 6: Final answer
x = 22,563,836.38
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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.