Finding the Fourth Proportional to 12,294,660.70, 18,441,991.05 and 6,248,043.10
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Solution
The fourth proportional to 12,294,660.70, 18,441,991.05 and 6,248,043.10 is: 9,372,064.65
Step by Step Solution
- Step 1: Write the proportion equation
12,294,660.70 : 18,441,991.05 = 6,248,043.10 : x - Step 2: Convert to fraction form
12,294,660.70/18,441,991.05 = 6,248,043.10/x - Step 3: Cross multiply
12,294,660.70x = 18,441,991.05 × 6,248,043.10 - Step 4: Simplify right side
12,294,660.70x = 115,226,354,930,214.25 - Step 5: Solve for x
x = 115,226,354,930,214.25/12,294,660.70 - Step 6: Final answer
x = 9,372,064.65
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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.