Finding the Fourth Proportional to 17,817,478.20, 24,588,119.94 and 9,668,716.20
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Solution
The fourth proportional to 17,817,478.20, 24,588,119.94 and 9,668,716.20 is: 13,342,828.37
Step by Step Solution
- Step 1: Write the proportion equation
17,817,478.20 : 24,588,119.94 = 9,668,716.20 : x - Step 2: Convert to fraction form
17,817,478.20/24,588,119.94 = 9,668,716.20/x - Step 3: Cross multiply
17,817,478.20x = 24,588,119.94 × 9,668,716.20 - Step 4: Simplify right side
17,817,478.20x = 237,735,553,591,421.03 - Step 5: Solve for x
x = 237,735,553,591,421.03/17,817,478.20 - Step 6: Final answer
x = 13,342,828.37
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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.