Finding the Fourth Proportional to 12,679,243.20, 18,985,271.94 and 6,683,014.08
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Solution
The fourth proportional to 12,679,243.20, 18,985,271.94 and 6,683,014.08 is: 10,006,814.89
Step by Step Solution
- Step 1: Write the proportion equation
12,679,243.20 : 18,985,271.94 = 6,683,014.08 : x - Step 2: Convert to fraction form
12,679,243.20/18,985,271.94 = 6,683,014.08/x - Step 3: Cross multiply
12,679,243.20x = 18,985,271.94 × 6,683,014.08 - Step 4: Simplify right side
12,679,243.20x = 126,878,839,687,648.92 - Step 5: Solve for x
x = 126,878,839,687,648.92/12,679,243.20 - Step 6: Final answer
x = 10,006,814.89
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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.