Finding the Fourth Proportional to 11,989,747.71, 16,545,840.12 and 6,483,109.41
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Solution
The fourth proportional to 11,989,747.71, 16,545,840.12 and 6,483,109.41 is: 8,946,684.65
Step by Step Solution
- Step 1: Write the proportion equation
11,989,747.71 : 16,545,840.12 = 6,483,109.41 : x - Step 2: Convert to fraction form
11,989,747.71/16,545,840.12 = 6,483,109.41/x - Step 3: Cross multiply
11,989,747.71x = 16,545,840.12 × 6,483,109.41 - Step 4: Simplify right side
11,989,747.71x = 107,268,491,778,327.53 - Step 5: Solve for x
x = 107,268,491,778,327.53/11,989,747.71 - Step 6: Final answer
x = 8,946,684.65
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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.