Finding the Fourth Proportional to 11,133,097.70, 16,699,646.55 and 8,298,745.70
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Solution
The fourth proportional to 11,133,097.70, 16,699,646.55 and 8,298,745.70 is: 12,448,118.55
Step by Step Solution
- Step 1: Write the proportion equation
11,133,097.70 : 16,699,646.55 = 8,298,745.70 : x - Step 2: Convert to fraction form
11,133,097.70/16,699,646.55 = 8,298,745.70/x - Step 3: Cross multiply
11,133,097.70x = 16,699,646.55 × 8,298,745.70 - Step 4: Simplify right side
11,133,097.70x = 138,586,119,998,332.34 - Step 5: Solve for x
x = 138,586,119,998,332.34/11,133,097.70 - Step 6: Final answer
x = 12,448,118.55
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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.