Finding the Fourth Proportional to 8,871,902.15, 13,312,541.87 and 6,294,861.44
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Solution
The fourth proportional to 8,871,902.15, 13,312,541.87 and 6,294,861.44 is: 9,445,618.88
Step by Step Solution
- Step 1: Write the proportion equation
8,871,902.15 : 13,312,541.87 = 6,294,861.44 : x - Step 2: Convert to fraction form
8,871,902.15/13,312,541.87 = 6,294,861.44/x - Step 3: Cross multiply
8,871,902.15x = 13,312,541.87 × 6,294,861.44 - Step 4: Simplify right side
8,871,902.15x = 83,800,606,454,374.19 - Step 5: Solve for x
x = 83,800,606,454,374.19/8,871,902.15 - Step 6: Final answer
x = 9,445,618.88
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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.