Finding the Fourth Proportional to 47,476,686.44, 71,205,064.99 and 13,390,060.70
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Solution
The fourth proportional to 47,476,686.44, 71,205,064.99 and 13,390,060.70 is: 20,082,280.67
Step by Step Solution
- Step 1: Write the proportion equation
47,476,686.44 : 71,205,064.99 = 13,390,060.70 : x - Step 2: Convert to fraction form
47,476,686.44/71,205,064.99 = 13,390,060.70/x - Step 3: Cross multiply
47,476,686.44x = 71,205,064.99 × 13,390,060.70 - Step 4: Simplify right side
47,476,686.44x = 953,440,142,508,082.38 - Step 5: Solve for x
x = 953,440,142,508,082.38/47,476,686.44 - Step 6: Final answer
x = 20,082,280.67
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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.