Finding the Fourth Proportional to 8,471,527.40, 12,706,062.30 and 2,487,271.40
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Solution
The fourth proportional to 8,471,527.40, 12,706,062.30 and 2,487,271.40 is: 3,730,546.32
Step by Step Solution
- Step 1: Write the proportion equation
8,471,527.40 : 12,706,062.30 = 2,487,271.40 : x - Step 2: Convert to fraction form
8,471,527.40/12,706,062.30 = 2,487,271.40/x - Step 3: Cross multiply
8,471,527.40x = 12,706,062.30 × 2,487,271.40 - Step 4: Simplify right side
8,471,527.40x = 31,603,425,365,408.22 - Step 5: Solve for x
x = 31,603,425,365,408.22/8,471,527.40 - Step 6: Final answer
x = 3,730,546.32
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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.