Finding the Fourth Proportional to 12,598,814.79, 18,901,225.68 and 4,079,153.79
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Solution
The fourth proportional to 12,598,814.79, 18,901,225.68 and 4,079,153.79 is: 6,119,703.14
Step by Step Solution
- Step 1: Write the proportion equation
12,598,814.79 : 18,901,225.68 = 4,079,153.79 : x - Step 2: Convert to fraction form
12,598,814.79/18,901,225.68 = 4,079,153.79/x - Step 3: Cross multiply
12,598,814.79x = 18,901,225.68 × 4,079,153.79 - Step 4: Simplify right side
12,598,814.79x = 77,101,006,368,217.33 - Step 5: Solve for x
x = 77,101,006,368,217.33/12,598,814.79 - Step 6: Final answer
x = 6,119,703.14
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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.