Finding the Fourth Proportional to 8,119,835.06, 12,182,471.78 and 2,655,181.88
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Solution
The fourth proportional to 8,119,835.06, 12,182,471.78 and 2,655,181.88 is: 3,983,661.99
Step by Step Solution
- Step 1: Write the proportion equation
8,119,835.06 : 12,182,471.78 = 2,655,181.88 : x - Step 2: Convert to fraction form
8,119,835.06/12,182,471.78 = 2,655,181.88/x - Step 3: Cross multiply
8,119,835.06x = 12,182,471.78 × 2,655,181.88 - Step 4: Simplify right side
8,119,835.06x = 32,346,678,249,679.08 - Step 5: Solve for x
x = 32,346,678,249,679.08/8,119,835.06 - Step 6: Final answer
x = 3,983,661.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.