Finding the Fourth Proportional to 8,724,652.32, 13,087,466.64 and 2,659,581.12
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Solution
The fourth proportional to 8,724,652.32, 13,087,466.64 and 2,659,581.12 is: 3,989,520.49
Step by Step Solution
- Step 1: Write the proportion equation
8,724,652.32 : 13,087,466.64 = 2,659,581.12 : x - Step 2: Convert to fraction form
8,724,652.32/13,087,466.64 = 2,659,581.12/x - Step 3: Cross multiply
8,724,652.32x = 13,087,466.64 × 2,659,581.12 - Step 4: Simplify right side
8,724,652.32x = 34,807,179,184,373.84 - Step 5: Solve for x
x = 34,807,179,184,373.84/8,724,652.32 - Step 6: Final answer
x = 3,989,520.49
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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.