Finding the Fourth Proportional to 8,785,765.76, 13,187,170.56 and 4,240,014.08
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Solution
The fourth proportional to 8,785,765.76, 13,187,170.56 and 4,240,014.08 is: 6,364,133.80
Step by Step Solution
- Step 1: Write the proportion equation
8,785,765.76 : 13,187,170.56 = 4,240,014.08 : x - Step 2: Convert to fraction form
8,785,765.76/13,187,170.56 = 4,240,014.08/x - Step 3: Cross multiply
8,785,765.76x = 13,187,170.56 × 4,240,014.08 - Step 4: Simplify right side
8,785,765.76x = 55,913,788,849,761.48 - Step 5: Solve for x
x = 55,913,788,849,761.48/8,785,765.76 - Step 6: Final answer
x = 6,364,133.80
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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.