Finding the Fourth Proportional to 11,889,852.14, 16,409,007.90 and 6,734,130.86
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Solution
The fourth proportional to 11,889,852.14, 16,409,007.90 and 6,734,130.86 is: 9,293,673.73
Step by Step Solution
- Step 1: Write the proportion equation
11,889,852.14 : 16,409,007.90 = 6,734,130.86 : x - Step 2: Convert to fraction form
11,889,852.14/16,409,007.90 = 6,734,130.86/x - Step 3: Cross multiply
11,889,852.14x = 16,409,007.90 × 6,734,130.86 - Step 4: Simplify right side
11,889,852.14x = 110,500,406,481,373.80 - Step 5: Solve for x
x = 110,500,406,481,373.80/11,889,852.14 - Step 6: Final answer
x = 9,293,673.73
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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.