Finding the Fourth Proportional to 7,507,818.47, 10,361,320.61 and 4,244,664.12
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Solution
The fourth proportional to 7,507,818.47, 10,361,320.61 and 4,244,664.12 is: 5,857,936.75
Step by Step Solution
- Step 1: Write the proportion equation
7,507,818.47 : 10,361,320.61 = 4,244,664.12 : x - Step 2: Convert to fraction form
7,507,818.47/10,361,320.61 = 4,244,664.12/x - Step 3: Cross multiply
7,507,818.47x = 10,361,320.61 × 4,244,664.12 - Step 4: Simplify right side
7,507,818.47x = 43,980,325,769,005.24 - Step 5: Solve for x
x = 43,980,325,769,005.24/7,507,818.47 - Step 6: Final answer
x = 5,857,936.75
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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.