Finding the Fourth Proportional to 16,355,113.20, 24,485,430.60 and 9,977,821.20
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Solution
The fourth proportional to 16,355,113.20, 24,485,430.60 and 9,977,821.20 is: 14,937,912.42
Step by Step Solution
- Step 1: Write the proportion equation
16,355,113.20 : 24,485,430.60 = 9,977,821.20 : x - Step 2: Convert to fraction form
16,355,113.20/24,485,430.60 = 9,977,821.20/x - Step 3: Cross multiply
16,355,113.20x = 24,485,430.60 × 9,977,821.20 - Step 4: Simplify right side
16,355,113.20x = 244,311,248,531,808.72 - Step 5: Solve for x
x = 244,311,248,531,808.72/16,355,113.20 - Step 6: Final answer
x = 14,937,912.42
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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.