Finding the Fourth Proportional to 11,509,826.36, 15,883,693.18 and 6,353,193.02
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Solution
The fourth proportional to 11,509,826.36, 15,883,693.18 and 6,353,193.02 is: 8,767,479.67
Step by Step Solution
- Step 1: Write the proportion equation
11,509,826.36 : 15,883,693.18 = 6,353,193.02 : x - Step 2: Convert to fraction form
11,509,826.36/15,883,693.18 = 6,353,193.02/x - Step 3: Cross multiply
11,509,826.36x = 15,883,693.18 × 6,353,193.02 - Step 4: Simplify right side
11,509,826.36x = 100,912,168,547,696.16 - Step 5: Solve for x
x = 100,912,168,547,696.16/11,509,826.36 - Step 6: Final answer
x = 8,767,479.67
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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.