Finding the Fourth Proportional to 10,121,097.80, 13,967,148.66 and 5,537,405
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Solution
The fourth proportional to 10,121,097.80, 13,967,148.66 and 5,537,405 is: 7,641,637.34
Step by Step Solution
- Step 1: Write the proportion equation
10,121,097.80 : 13,967,148.66 = 5,537,405 : x - Step 2: Convert to fraction form
10,121,097.80/13,967,148.66 = 5,537,405/x - Step 3: Cross multiply
10,121,097.80x = 13,967,148.66 × 5,537,405 - Step 4: Simplify right side
10,121,097.80x = 77,341,758,825,627.30 - Step 5: Solve for x
x = 77,341,758,825,627.30/10,121,097.80 - Step 6: Final answer
x = 7,641,637.34
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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.