Finding the Fourth Proportional to 7,605,588.16, 11,400,705.60 and 4,767,693.28
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Solution
The fourth proportional to 7,605,588.16, 11,400,705.60 and 4,767,693.28 is: 7,146,727.69
Step by Step Solution
- Step 1: Write the proportion equation
7,605,588.16 : 11,400,705.60 = 4,767,693.28 : x - Step 2: Convert to fraction form
7,605,588.16/11,400,705.60 = 4,767,693.28/x - Step 3: Cross multiply
7,605,588.16x = 11,400,705.60 × 4,767,693.28 - Step 4: Simplify right side
7,605,588.16x = 54,355,067,476,378.37 - Step 5: Solve for x
x = 54,355,067,476,378.37/7,605,588.16 - Step 6: Final answer
x = 7,146,727.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.