Finding the Fourth Proportional to 36,138,452.99, 49,849,156.64 and 21,444,437.39
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Solution
The fourth proportional to 36,138,452.99, 49,849,156.64 and 21,444,437.39 is: 29,580,323.17
Step by Step Solution
- Step 1: Write the proportion equation
36,138,452.99 : 49,849,156.64 = 21,444,437.39 : x - Step 2: Convert to fraction form
36,138,452.99/49,849,156.64 = 21,444,437.39/x - Step 3: Cross multiply
36,138,452.99x = 49,849,156.64 × 21,444,437.39 - Step 4: Simplify right side
36,138,452.99x = 1,068,987,118,403,560.62 - Step 5: Solve for x
x = 1,068,987,118,403,560.62/36,138,452.99 - Step 6: Final answer
x = 29,580,323.17
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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.