Finding the Fourth Proportional to 11,235,091.12, 15,515,133.74 and 10,623,011.78
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Solution
The fourth proportional to 11,235,091.12, 15,515,133.74 and 10,623,011.78 is: 14,669,880.89
Step by Step Solution
- Step 1: Write the proportion equation
11,235,091.12 : 15,515,133.74 = 10,623,011.78 : x - Step 2: Convert to fraction form
11,235,091.12/15,515,133.74 = 10,623,011.78/x - Step 3: Cross multiply
11,235,091.12x = 15,515,133.74 × 10,623,011.78 - Step 4: Simplify right side
11,235,091.12x = 164,817,448,488,295.44 - Step 5: Solve for x
x = 164,817,448,488,295.44/11,235,091.12 - Step 6: Final answer
x = 14,669,880.89
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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.