Finding the Fourth Proportional to 13,439,455.10, 20,167,055.85 and 4,920,652.70
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Solution
The fourth proportional to 13,439,455.10, 20,167,055.85 and 4,920,652.70 is: 7,383,861.70
Step by Step Solution
- Step 1: Write the proportion equation
13,439,455.10 : 20,167,055.85 = 4,920,652.70 : x - Step 2: Convert to fraction form
13,439,455.10/20,167,055.85 = 4,920,652.70/x - Step 3: Cross multiply
13,439,455.10x = 20,167,055.85 × 4,920,652.70 - Step 4: Simplify right side
13,439,455.10x = 99,235,077,819,353.31 - Step 5: Solve for x
x = 99,235,077,819,353.31/13,439,455.10 - Step 6: Final answer
x = 7,383,861.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.