Finding the Fourth Proportional to 19,182,144.74, 28,784,565.20 and 7,060,122.14
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Solution
The fourth proportional to 19,182,144.74, 28,784,565.20 and 7,060,122.14 is: 10,594,359.95
Step by Step Solution
- Step 1: Write the proportion equation
19,182,144.74 : 28,784,565.20 = 7,060,122.14 : x - Step 2: Convert to fraction form
19,182,144.74/28,784,565.20 = 7,060,122.14/x - Step 3: Cross multiply
19,182,144.74x = 28,784,565.20 × 7,060,122.14 - Step 4: Simplify right side
19,182,144.74x = 203,222,545,932,521 - Step 5: Solve for x
x = 203,222,545,932,521/19,182,144.74 - Step 6: Final answer
x = 10,594,359.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.