Finding the Fourth Proportional to 25,559,390.76, 38,310,687.87 and 19,474,060.56
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Solution
The fourth proportional to 25,559,390.76, 38,310,687.87 and 19,474,060.56 is: 29,189,453.80
Step by Step Solution
- Step 1: Write the proportion equation
25,559,390.76 : 38,310,687.87 = 19,474,060.56 : x - Step 2: Convert to fraction form
25,559,390.76/38,310,687.87 = 19,474,060.56/x - Step 3: Cross multiply
25,559,390.76x = 38,310,687.87 × 19,474,060.56 - Step 4: Simplify right side
25,559,390.76x = 746,064,655,484,083.88 - Step 5: Solve for x
x = 746,064,655,484,083.88/25,559,390.76 - Step 6: Final answer
x = 29,189,453.80
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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.