Finding the Fourth Proportional to 7,476,425.14, 10,317,475.87 and 4,038,666.17
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Solution
The fourth proportional to 7,476,425.14, 10,317,475.87 and 4,038,666.17 is: 5,573,364.27
Step by Step Solution
- Step 1: Write the proportion equation
7,476,425.14 : 10,317,475.87 = 4,038,666.17 : x - Step 2: Convert to fraction form
7,476,425.14/10,317,475.87 = 4,038,666.17/x - Step 3: Cross multiply
7,476,425.14x = 10,317,475.87 × 4,038,666.17 - Step 4: Simplify right side
7,476,425.14x = 41,668,840,755,960.31 - Step 5: Solve for x
x = 41,668,840,755,960.31/7,476,425.14 - Step 6: Final answer
x = 5,573,364.27
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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.