Finding the Fourth Proportional to 19,350,378.62, 29,025,627.66 and 4,777,299.80
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Solution
The fourth proportional to 19,350,378.62, 29,025,627.66 and 4,777,299.80 is: 7,165,964.45
Step by Step Solution
- Step 1: Write the proportion equation
19,350,378.62 : 29,025,627.66 = 4,777,299.80 : x - Step 2: Convert to fraction form
19,350,378.62/29,025,627.66 = 4,777,299.80/x - Step 3: Cross multiply
19,350,378.62x = 29,025,627.66 × 4,777,299.80 - Step 4: Simplify right side
19,350,378.62x = 138,664,125,214,992.47 - Step 5: Solve for x
x = 138,664,125,214,992.47/19,350,378.62 - Step 6: Final answer
x = 7,165,964.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.