Finding the Fourth Proportional to 13,370,752.11, 18,468,946.44 and 11,056,990.62
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Solution
The fourth proportional to 13,370,752.11, 18,468,946.44 and 11,056,990.62 is: 15,272,960.40
Step by Step Solution
- Step 1: Write the proportion equation
13,370,752.11 : 18,468,946.44 = 11,056,990.62 : x - Step 2: Convert to fraction form
13,370,752.11/18,468,946.44 = 11,056,990.62/x - Step 3: Cross multiply
13,370,752.11x = 18,468,946.44 × 11,056,990.62 - Step 4: Simplify right side
13,370,752.11x = 204,210,967,548,362.41 - Step 5: Solve for x
x = 204,210,967,548,362.41/13,370,752.11 - Step 6: Final answer
x = 15,272,960.40
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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.