Finding the Fourth Proportional to 13,708,237.14, 18,925,968.66 and 8,821,951.02
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Solution
The fourth proportional to 13,708,237.14, 18,925,968.66 and 8,821,951.02 is: 12,179,827.85
Step by Step Solution
- Step 1: Write the proportion equation
13,708,237.14 : 18,925,968.66 = 8,821,951.02 : x - Step 2: Convert to fraction form
13,708,237.14/18,925,968.66 = 8,821,951.02/x - Step 3: Cross multiply
13,708,237.14x = 18,925,968.66 × 8,821,951.02 - Step 4: Simplify right side
13,708,237.14x = 166,963,968,524,575.03 - Step 5: Solve for x
x = 166,963,968,524,575.03/13,708,237.14 - Step 6: Final answer
x = 12,179,827.85
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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.