Finding the Fourth Proportional to 10,704,644.40, 14,772,423.79 and 5,809,866.65
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Solution
The fourth proportional to 10,704,644.40, 14,772,423.79 and 5,809,866.65 is: 8,017,623.85
Step by Step Solution
- Step 1: Write the proportion equation
10,704,644.40 : 14,772,423.79 = 5,809,866.65 : x - Step 2: Convert to fraction form
10,704,644.40/14,772,423.79 = 5,809,866.65/x - Step 3: Cross multiply
10,704,644.40x = 14,772,423.79 × 5,809,866.65 - Step 4: Simplify right side
10,704,644.40x = 85,825,812,214,276.14 - Step 5: Solve for x
x = 85,825,812,214,276.14/10,704,644.40 - Step 6: Final answer
x = 8,017,623.85
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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.