Finding the Fourth Proportional to 13,232,618.10, 18,563,456.70 and 13,232,618.10
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Solution
The fourth proportional to 13,232,618.10, 18,563,456.70 and 13,232,618.10 is: 18,563,456.70
Step by Step Solution
- Step 1: Write the proportion equation
13,232,618.10 : 18,563,456.70 = 13,232,618.10 : x - Step 2: Convert to fraction form
13,232,618.10/18,563,456.70 = 13,232,618.10/x - Step 3: Cross multiply
13,232,618.10x = 18,563,456.70 × 13,232,618.10 - Step 4: Simplify right side
13,232,618.10x = 245,643,133,126,986.25 - Step 5: Solve for x
x = 245,643,133,126,986.25/13,232,618.10 - Step 6: Final answer
x = 18,563,456.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.