Finding the Fourth Proportional to 13,149,549.21, 19,729,555.20 and 5,060,352.90
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Solution
The fourth proportional to 13,149,549.21, 19,729,555.20 and 5,060,352.90 is: 7,592,542.55
Step by Step Solution
- Step 1: Write the proportion equation
13,149,549.21 : 19,729,555.20 = 5,060,352.90 : x - Step 2: Convert to fraction form
13,149,549.21/19,729,555.20 = 5,060,352.90/x - Step 3: Cross multiply
13,149,549.21x = 19,729,555.20 × 5,060,352.90 - Step 4: Simplify right side
13,149,549.21x = 99,838,511,872,030.08 - Step 5: Solve for x
x = 99,838,511,872,030.08/13,149,549.21 - Step 6: Final answer
x = 7,592,542.55
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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.