Finding the Fourth Proportional to 19,631,784.24, 27,084,848.64 and 11,367,334.80
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Solution
The fourth proportional to 19,631,784.24, 27,084,848.64 and 11,367,334.80 is: 15,682,860.95
Step by Step Solution
- Step 1: Write the proportion equation
19,631,784.24 : 27,084,848.64 = 11,367,334.80 : x - Step 2: Convert to fraction form
19,631,784.24/27,084,848.64 = 11,367,334.80/x - Step 3: Cross multiply
19,631,784.24x = 27,084,848.64 × 11,367,334.80 - Step 4: Simplify right side
19,631,784.24x = 307,882,542,498,204.69 - Step 5: Solve for x
x = 307,882,542,498,204.69/19,631,784.24 - Step 6: Final answer
x = 15,682,860.95
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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.