Finding the Fourth Proportional to 12,586,752.32, 17,363,430.09 and 7,946,288.24
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Solution
The fourth proportional to 12,586,752.32, 17,363,430.09 and 7,946,288.24 is: 10,961,907.95
Step by Step Solution
- Step 1: Write the proportion equation
12,586,752.32 : 17,363,430.09 = 7,946,288.24 : x - Step 2: Convert to fraction form
12,586,752.32/17,363,430.09 = 7,946,288.24/x - Step 3: Cross multiply
12,586,752.32x = 17,363,430.09 × 7,946,288.24 - Step 4: Simplify right side
12,586,752.32x = 137,974,820,330,229.14 - Step 5: Solve for x
x = 137,974,820,330,229.14/12,586,752.32 - Step 6: Final answer
x = 10,961,907.95
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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.