Finding the Fourth Proportional to 7,805,909.14, 10,772,239.37 and 4,321,305.64
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Solution
The fourth proportional to 7,805,909.14, 10,772,239.37 and 4,321,305.64 is: 5,963,448.70
Step by Step Solution
- Step 1: Write the proportion equation
7,805,909.14 : 10,772,239.37 = 4,321,305.64 : x - Step 2: Convert to fraction form
7,805,909.14/10,772,239.37 = 4,321,305.64/x - Step 3: Cross multiply
7,805,909.14x = 10,772,239.37 × 4,321,305.64 - Step 4: Simplify right side
7,805,909.14x = 46,550,138,745,011.04 - Step 5: Solve for x
x = 46,550,138,745,011.04/7,805,909.14 - Step 6: Final answer
x = 5,963,448.70
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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.