Finding the Fourth Proportional to 7,837,797.60, 11,757,134.16 and 2,447,192.16
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Solution
The fourth proportional to 7,837,797.60, 11,757,134.16 and 2,447,192.16 is: 3,670,924.92
Step by Step Solution
- Step 1: Write the proportion equation
7,837,797.60 : 11,757,134.16 = 2,447,192.16 : x - Step 2: Convert to fraction form
7,837,797.60/11,757,134.16 = 2,447,192.16/x - Step 3: Cross multiply
7,837,797.60x = 11,757,134.16 × 2,447,192.16 - Step 4: Simplify right side
7,837,797.60x = 28,771,966,540,420.19 - Step 5: Solve for x
x = 28,771,966,540,420.19/7,837,797.60 - Step 6: Final answer
x = 3,670,924.92
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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.