Finding the Fourth Proportional to 18,019,767.68, 27,029,426.08 and 4,373,027.12
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Solution
The fourth proportional to 18,019,767.68, 27,029,426.08 and 4,373,027.12 is: 6,559,485.97
Step by Step Solution
- Step 1: Write the proportion equation
18,019,767.68 : 27,029,426.08 = 4,373,027.12 : x - Step 2: Convert to fraction form
18,019,767.68/27,029,426.08 = 4,373,027.12/x - Step 3: Cross multiply
18,019,767.68x = 27,029,426.08 × 4,373,027.12 - Step 4: Simplify right side
18,019,767.68x = 118,200,413,285,875.28 - Step 5: Solve for x
x = 118,200,413,285,875.28/18,019,767.68 - Step 6: Final answer
x = 6,559,485.97
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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.