Finding the Fourth Proportional to 11,012,149.08, 15,197,197.48 and 7,534,781.52
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Solution
The fourth proportional to 11,012,149.08, 15,197,197.48 and 7,534,781.52 is: 10,398,293.91
Step by Step Solution
- Step 1: Write the proportion equation
11,012,149.08 : 15,197,197.48 = 7,534,781.52 : x - Step 2: Convert to fraction form
11,012,149.08/15,197,197.48 = 7,534,781.52/x - Step 3: Cross multiply
11,012,149.08x = 15,197,197.48 × 7,534,781.52 - Step 4: Simplify right side
11,012,149.08x = 114,507,562,728,094.56 - Step 5: Solve for x
x = 114,507,562,728,094.56/11,012,149.08 - Step 6: Final answer
x = 10,398,293.91
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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.