Finding the Fourth Proportional to 10,512,645.68, 14,507,472.12 and 5,683,749.68
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Solution
The fourth proportional to 10,512,645.68, 14,507,472.12 and 5,683,749.68 is: 7,843,585.96
Step by Step Solution
- Step 1: Write the proportion equation
10,512,645.68 : 14,507,472.12 = 5,683,749.68 : x - Step 2: Convert to fraction form
10,512,645.68/14,507,472.12 = 5,683,749.68/x - Step 3: Cross multiply
10,512,645.68x = 14,507,472.12 × 5,683,749.68 - Step 4: Simplify right side
10,512,645.68x = 82,456,840,019,658.91 - Step 5: Solve for x
x = 82,456,840,019,658.91/10,512,645.68 - Step 6: Final answer
x = 7,843,585.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.