Finding the Fourth Proportional to 13,650,233.08, 20,478,228.99 and 4,427,489.37
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Solution
The fourth proportional to 13,650,233.08, 20,478,228.99 and 4,427,489.37 is: 6,642,167.99
Step by Step Solution
- Step 1: Write the proportion equation
13,650,233.08 : 20,478,228.99 = 4,427,489.37 : x - Step 2: Convert to fraction form
13,650,233.08/20,478,228.99 = 4,427,489.37/x - Step 3: Cross multiply
13,650,233.08x = 20,478,228.99 × 4,427,489.37 - Step 4: Simplify right side
13,650,233.08x = 90,667,141,169,650.83 - Step 5: Solve for x
x = 90,667,141,169,650.83/13,650,233.08 - Step 6: Final answer
x = 6,642,167.99
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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.