Finding the Fourth Proportional to 7,903,405.09, 10,905,864.46 and 4,464,982.09
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Solution
The fourth proportional to 7,903,405.09, 10,905,864.46 and 4,464,982.09 is: 6,161,203.80
Step by Step Solution
- Step 1: Write the proportion equation
7,903,405.09 : 10,905,864.46 = 4,464,982.09 : x - Step 2: Convert to fraction form
7,903,405.09/10,905,864.46 = 4,464,982.09/x - Step 3: Cross multiply
7,903,405.09x = 10,905,864.46 × 4,464,982.09 - Step 4: Simplify right side
7,903,405.09x = 48,694,489,489,867.52 - Step 5: Solve for x
x = 48,694,489,489,867.52/7,903,405.09 - Step 6: Final answer
x = 6,161,203.80
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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.