Finding the Fourth Proportional to 11,891,206.74, 16,409,586.20 and 6,996,745.86
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Solution
The fourth proportional to 11,891,206.74, 16,409,586.20 and 6,996,745.86 is: 9,655,345.06
Step by Step Solution
- Step 1: Write the proportion equation
11,891,206.74 : 16,409,586.20 = 6,996,745.86 : x - Step 2: Convert to fraction form
11,891,206.74/16,409,586.20 = 6,996,745.86/x - Step 3: Cross multiply
11,891,206.74x = 16,409,586.20 × 6,996,745.86 - Step 4: Simplify right side
11,891,206.74x = 114,813,704,309,163.12 - Step 5: Solve for x
x = 114,813,704,309,163.12/11,891,206.74 - Step 6: Final answer
x = 9,655,345.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.