Finding the Fourth Proportional to 14,085,934.53, 19,456,823.98 and 11,648,391.81
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Solution
The fourth proportional to 14,085,934.53, 19,456,823.98 and 11,648,391.81 is: 16,089,859.61
Step by Step Solution
- Step 1: Write the proportion equation
14,085,934.53 : 19,456,823.98 = 11,648,391.81 : x - Step 2: Convert to fraction form
14,085,934.53/19,456,823.98 = 11,648,391.81/x - Step 3: Cross multiply
14,085,934.53x = 19,456,823.98 × 11,648,391.81 - Step 4: Simplify right side
14,085,934.53x = 226,640,709,097,243.62 - Step 5: Solve for x
x = 226,640,709,097,243.62/14,085,934.53 - Step 6: Final answer
x = 16,089,859.61
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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.