Finding the Fourth Proportional to 11,393,682.02, 15,723,386.25 and 6,747,731.31
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Solution
The fourth proportional to 11,393,682.02, 15,723,386.25 and 6,747,731.31 is: 9,311,931.42
Step by Step Solution
- Step 1: Write the proportion equation
11,393,682.02 : 15,723,386.25 = 6,747,731.31 : x - Step 2: Convert to fraction form
11,393,682.02/15,723,386.25 = 6,747,731.31/x - Step 3: Cross multiply
11,393,682.02x = 15,723,386.25 × 6,747,731.31 - Step 4: Simplify right side
11,393,682.02x = 106,097,185,639,385.80 - Step 5: Solve for x
x = 106,097,185,639,385.80/11,393,682.02 - Step 6: Final answer
x = 9,311,931.42
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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.