Finding the Fourth Proportional to 11,346,448.39, 15,656,891.36 and 6,384,803.06
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Solution
The fourth proportional to 11,346,448.39, 15,656,891.36 and 6,384,803.06 is: 8,810,348.79
Step by Step Solution
- Step 1: Write the proportion equation
11,346,448.39 : 15,656,891.36 = 6,384,803.06 : x - Step 2: Convert to fraction form
11,346,448.39/15,656,891.36 = 6,384,803.06/x - Step 3: Cross multiply
11,346,448.39x = 15,656,891.36 × 6,384,803.06 - Step 4: Simplify right side
11,346,448.39x = 99,966,167,872,633.78 - Step 5: Solve for x
x = 99,966,167,872,633.78/11,346,448.39 - Step 6: Final answer
x = 8,810,348.79
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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.