Finding the Fourth Proportional to 8,958,936.24, 13,417,478.89 and 8,235,512.19
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Solution
The fourth proportional to 8,958,936.24, 13,417,478.89 and 8,235,512.19 is: 12,334,032.52
Step by Step Solution
- Step 1: Write the proportion equation
8,958,936.24 : 13,417,478.89 = 8,235,512.19 : x - Step 2: Convert to fraction form
8,958,936.24/13,417,478.89 = 8,235,512.19/x - Step 3: Cross multiply
8,958,936.24x = 13,417,478.89 × 8,235,512.19 - Step 4: Simplify right side
8,958,936.24x = 110,499,810,937,073.89 - Step 5: Solve for x
x = 110,499,810,937,073.89/8,958,936.24 - Step 6: Final answer
x = 12,334,032.52
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1.5x scale
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.