Finding the Fourth Proportional to 10,119,815.73, 15,179,722.92 and 2,931,352.02
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Solution
The fourth proportional to 10,119,815.73, 15,179,722.92 and 2,931,352.02 is: 4,397,027.83
Step by Step Solution
- Step 1: Write the proportion equation
10,119,815.73 : 15,179,722.92 = 2,931,352.02 : x - Step 2: Convert to fraction form
10,119,815.73/15,179,722.92 = 2,931,352.02/x - Step 3: Cross multiply
10,119,815.73x = 15,179,722.92 × 2,931,352.02 - Step 4: Simplify right side
10,119,815.73x = 44,497,111,444,582.30 - Step 5: Solve for x
x = 44,497,111,444,582.30/10,119,815.73 - Step 6: Final answer
x = 4,397,027.83
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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.