Finding the Fourth Proportional to 28,771,217.30, 43,151,296.35 and 8,577,118.10
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Solution
The fourth proportional to 28,771,217.30, 43,151,296.35 and 8,577,118.10 is: 12,864,028.70
Step by Step Solution
- Step 1: Write the proportion equation
28,771,217.30 : 43,151,296.35 = 8,577,118.10 : x - Step 2: Convert to fraction form
28,771,217.30/43,151,296.35 = 8,577,118.10/x - Step 3: Cross multiply
28,771,217.30x = 43,151,296.35 × 8,577,118.10 - Step 4: Simplify right side
28,771,217.30x = 370,113,764,962,048.94 - Step 5: Solve for x
x = 370,113,764,962,048.94/28,771,217.30 - Step 6: Final answer
x = 12,864,028.70
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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.