Finding the Fourth Proportional to 9,305,536.69, 12,839,739.60 and 5,437,310.68
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Solution
The fourth proportional to 9,305,536.69, 12,839,739.60 and 5,437,310.68 is: 7,502,377.95
Step by Step Solution
- Step 1: Write the proportion equation
9,305,536.69 : 12,839,739.60 = 5,437,310.68 : x - Step 2: Convert to fraction form
9,305,536.69/12,839,739.60 = 5,437,310.68/x - Step 3: Cross multiply
9,305,536.69x = 12,839,739.60 × 5,437,310.68 - Step 4: Simplify right side
9,305,536.69x = 69,813,653,255,498.92 - Step 5: Solve for x
x = 69,813,653,255,498.92/9,305,536.69 - Step 6: Final answer
x = 7,502,377.95
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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.