Finding the Fourth Proportional to 36,993,934.01, 51,051,252.78 and 20,474,090.53
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Solution
The fourth proportional to 36,993,934.01, 51,051,252.78 and 20,474,090.53 is: 28,254,036.75
Step by Step Solution
- Step 1: Write the proportion equation
36,993,934.01 : 51,051,252.78 = 20,474,090.53 : x - Step 2: Convert to fraction form
36,993,934.01/51,051,252.78 = 20,474,090.53/x - Step 3: Cross multiply
36,993,934.01x = 51,051,252.78 × 20,474,090.53 - Step 4: Simplify right side
36,993,934.01x = 1,045,227,970,960,006 - Step 5: Solve for x
x = 1,045,227,970,960,006/36,993,934.01 - Step 6: Final answer
x = 28,254,036.75
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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.