Finding the Fourth Proportional to 12,108,186.99, 18,166,709.16 and 5,634,349.88
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Solution
The fourth proportional to 12,108,186.99, 18,166,709.16 and 5,634,349.88 is: 8,453,585.63
Step by Step Solution
- Step 1: Write the proportion equation
12,108,186.99 : 18,166,709.16 = 5,634,349.88 : x - Step 2: Convert to fraction form
12,108,186.99/18,166,709.16 = 5,634,349.88/x - Step 3: Cross multiply
12,108,186.99x = 18,166,709.16 × 5,634,349.88 - Step 4: Simplify right side
12,108,186.99x = 102,357,595,484,807.36 - Step 5: Solve for x
x = 102,357,595,484,807.36/12,108,186.99 - Step 6: Final answer
x = 8,453,585.63
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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.