Finding the Fourth Proportional to 12,713,425.56, 17,544,438.45 and 6,912,207.18
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Solution
The fourth proportional to 12,713,425.56, 17,544,438.45 and 6,912,207.18 is: 9,538,797.62
Step by Step Solution
- Step 1: Write the proportion equation
12,713,425.56 : 17,544,438.45 = 6,912,207.18 : x - Step 2: Convert to fraction form
12,713,425.56/17,544,438.45 = 6,912,207.18/x - Step 3: Cross multiply
12,713,425.56x = 17,544,438.45 × 6,912,207.18 - Step 4: Simplify right side
12,713,425.56x = 121,270,793,423,158.06 - Step 5: Solve for x
x = 121,270,793,423,158.06/12,713,425.56 - Step 6: Final answer
x = 9,538,797.62
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1.5x scale
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.