Finding the Fourth Proportional to 15,747,694.24, 21,731,817.36 and 8,504,349.60
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Solution
The fourth proportional to 15,747,694.24, 21,731,817.36 and 8,504,349.60 is: 11,736,002.07
Step by Step Solution
- Step 1: Write the proportion equation
15,747,694.24 : 21,731,817.36 = 8,504,349.60 : x - Step 2: Convert to fraction form
15,747,694.24/21,731,817.36 = 8,504,349.60/x - Step 3: Cross multiply
15,747,694.24x = 21,731,817.36 × 8,504,349.60 - Step 4: Simplify right side
15,747,694.24x = 184,814,972,272,789.03 - Step 5: Solve for x
x = 184,814,972,272,789.03/15,747,694.24 - Step 6: Final answer
x = 11,736,002.07
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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.