Finding the Fourth Proportional to 15,704,369.18, 23,556,555.39 and 4,921,668.62
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Solution
The fourth proportional to 15,704,369.18, 23,556,555.39 and 4,921,668.62 is: 7,382,503.44
Step by Step Solution
- Step 1: Write the proportion equation
15,704,369.18 : 23,556,555.39 = 4,921,668.62 : x - Step 2: Convert to fraction form
15,704,369.18/23,556,555.39 = 4,921,668.62/x - Step 3: Cross multiply
15,704,369.18x = 23,556,555.39 × 4,921,668.62 - Step 4: Simplify right side
15,704,369.18x = 115,937,559,458,254.88 - Step 5: Solve for x
x = 115,937,559,458,254.88/15,704,369.18 - Step 6: Final answer
x = 7,382,503.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.