Finding the Fourth Proportional to 15,704,368.68, 23,556,554.64 and 4,921,668.12
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Solution
The fourth proportional to 15,704,368.68, 23,556,554.64 and 4,921,668.12 is: 7,382,502.69
Step by Step Solution
- Step 1: Write the proportion equation
15,704,368.68 : 23,556,554.64 = 4,921,668.12 : x - Step 2: Convert to fraction form
15,704,368.68/23,556,554.64 = 4,921,668.12/x - Step 3: Cross multiply
15,704,368.68x = 23,556,554.64 × 4,921,668.12 - Step 4: Simplify right side
15,704,368.68x = 115,937,543,988,726.08 - Step 5: Solve for x
x = 115,937,543,988,726.08/15,704,368.68 - Step 6: Final answer
x = 7,382,502.69
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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.