Finding the Fourth Proportional to 25,767,742.57, 38,650,605.12 and 8,728,415.53
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Solution
The fourth proportional to 25,767,742.57, 38,650,605.12 and 8,728,415.53 is: 13,092,281.60
Step by Step Solution
- Step 1: Write the proportion equation
25,767,742.57 : 38,650,605.12 = 8,728,415.53 : x - Step 2: Convert to fraction form
25,767,742.57/38,650,605.12 = 8,728,415.53/x - Step 3: Cross multiply
25,767,742.57x = 38,650,605.12 × 8,728,415.53 - Step 4: Simplify right side
25,767,742.57x = 337,358,541,973,305.44 - Step 5: Solve for x
x = 337,358,541,973,305.44/25,767,742.57 - Step 6: Final answer
x = 13,092,281.60
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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.