Finding the Fourth Proportional to 18,453,040.80, 27,679,415.40 and 4,806,160.80
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Solution
The fourth proportional to 18,453,040.80, 27,679,415.40 and 4,806,160.80 is: 7,209,203.23
Step by Step Solution
- Step 1: Write the proportion equation
18,453,040.80 : 27,679,415.40 = 4,806,160.80 : x - Step 2: Convert to fraction form
18,453,040.80/27,679,415.40 = 4,806,160.80/x - Step 3: Cross multiply
18,453,040.80x = 27,679,415.40 × 4,806,160.80 - Step 4: Simplify right side
18,453,040.80x = 133,031,721,262,396.31 - Step 5: Solve for x
x = 133,031,721,262,396.31/18,453,040.80 - Step 6: Final answer
x = 7,209,203.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.