Finding the Fourth Proportional to 12,481,177.70, 18,688,124.99 and 8,152,508.75
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Solution
The fourth proportional to 12,481,177.70, 18,688,124.99 and 8,152,508.75 is: 12,206,788.98
Step by Step Solution
- Step 1: Write the proportion equation
12,481,177.70 : 18,688,124.99 = 8,152,508.75 : x - Step 2: Convert to fraction form
12,481,177.70/18,688,124.99 = 8,152,508.75/x - Step 3: Cross multiply
12,481,177.70x = 18,688,124.99 × 8,152,508.75 - Step 4: Simplify right side
12,481,177.70x = 152,355,102,429,009.31 - Step 5: Solve for x
x = 152,355,102,429,009.31/12,481,177.70 - Step 6: Final answer
x = 12,206,788.98
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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.