Finding the Fourth Proportional to 11,439,881.06, 15,783,194.64 and 6,477,644.18
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Solution
The fourth proportional to 11,439,881.06, 15,783,194.64 and 6,477,644.18 is: 8,936,973.94
Step by Step Solution
- Step 1: Write the proportion equation
11,439,881.06 : 15,783,194.64 = 6,477,644.18 : x - Step 2: Convert to fraction form
11,439,881.06/15,783,194.64 = 6,477,644.18/x - Step 3: Cross multiply
11,439,881.06x = 15,783,194.64 × 6,477,644.18 - Step 4: Simplify right side
11,439,881.06x = 102,237,918,941,061.19 - Step 5: Solve for x
x = 102,237,918,941,061.19/11,439,881.06 - Step 6: Final answer
x = 8,936,973.94
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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.