Finding the Fourth Proportional to 12,232,712.08, 18,349,320.84 and 4,451,359.60
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Solution
The fourth proportional to 12,232,712.08, 18,349,320.84 and 4,451,359.60 is: 6,677,131.36
Step by Step Solution
- Step 1: Write the proportion equation
12,232,712.08 : 18,349,320.84 = 4,451,359.60 : x - Step 2: Convert to fraction form
12,232,712.08/18,349,320.84 = 4,451,359.60/x - Step 3: Cross multiply
12,232,712.08x = 18,349,320.84 × 4,451,359.60 - Step 4: Simplify right side
12,232,712.08x = 81,679,425,474,614.06 - Step 5: Solve for x
x = 81,679,425,474,614.06/12,232,712.08 - Step 6: Final answer
x = 6,677,131.36
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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.