Finding the Fourth Proportional to 7,896,502.71, 11,844,754.07 and 2,847,813.21
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Solution
The fourth proportional to 7,896,502.71, 11,844,754.07 and 2,847,813.21 is: 4,271,719.82
Step by Step Solution
- Step 1: Write the proportion equation
7,896,502.71 : 11,844,754.07 = 2,847,813.21 : x - Step 2: Convert to fraction form
7,896,502.71/11,844,754.07 = 2,847,813.21/x - Step 3: Cross multiply
7,896,502.71x = 11,844,754.07 × 2,847,813.21 - Step 4: Simplify right side
7,896,502.71x = 33,731,647,095,508.20 - Step 5: Solve for x
x = 33,731,647,095,508.20/7,896,502.71 - Step 6: Final answer
x = 4,271,719.82
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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.