Finding the Fourth Proportional to 12,239,688.87, 16,890,677.28 and 6,732,945.18
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Solution
The fourth proportional to 12,239,688.87, 16,890,677.28 and 6,732,945.18 is: 9,291,412.99
Step by Step Solution
- Step 1: Write the proportion equation
12,239,688.87 : 16,890,677.28 = 6,732,945.18 : x - Step 2: Convert to fraction form
12,239,688.87/16,890,677.28 = 6,732,945.18/x - Step 3: Cross multiply
12,239,688.87x = 16,890,677.28 × 6,732,945.18 - Step 4: Simplify right side
12,239,688.87x = 113,724,004,179,311.52 - Step 5: Solve for x
x = 113,724,004,179,311.52/12,239,688.87 - Step 6: Final answer
x = 9,291,412.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.