Finding the Fourth Proportional to 12,201,785.34, 16,839,957.14 and 7,045,138.23
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Solution
The fourth proportional to 12,201,785.34, 16,839,957.14 and 7,045,138.23 is: 9,723,153.01
Step by Step Solution
- Step 1: Write the proportion equation
12,201,785.34 : 16,839,957.14 = 7,045,138.23 : x - Step 2: Convert to fraction form
12,201,785.34/16,839,957.14 = 7,045,138.23/x - Step 3: Cross multiply
12,201,785.34x = 16,839,957.14 × 7,045,138.23 - Step 4: Simplify right side
12,201,785.34x = 118,639,825,803,349.80 - Step 5: Solve for x
x = 118,639,825,803,349.80/12,201,785.34 - Step 6: Final answer
x = 9,723,153.01
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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.