Finding the Fourth Proportional to 19,442,029.91, 26,830,816.36 and 11,182,094.49
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Solution
The fourth proportional to 19,442,029.91, 26,830,816.36 and 11,182,094.49 is: 15,431,759.20
Step by Step Solution
- Step 1: Write the proportion equation
19,442,029.91 : 26,830,816.36 = 11,182,094.49 : x - Step 2: Convert to fraction form
19,442,029.91/26,830,816.36 = 11,182,094.49/x - Step 3: Cross multiply
19,442,029.91x = 26,830,816.36 × 11,182,094.49 - Step 4: Simplify right side
19,442,029.91x = 300,024,723,876,390.12 - Step 5: Solve for x
x = 300,024,723,876,390.12/19,442,029.91 - Step 6: Final answer
x = 15,431,759.20
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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.