Finding the Fourth Proportional to 19,143,118.80, 28,717,302.60 and 6,362,290.80
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Solution
The fourth proportional to 19,143,118.80, 28,717,302.60 and 6,362,290.80 is: 9,544,308.43
Step by Step Solution
- Step 1: Write the proportion equation
19,143,118.80 : 28,717,302.60 = 6,362,290.80 : x - Step 2: Convert to fraction form
19,143,118.80/28,717,302.60 = 6,362,290.80/x - Step 3: Cross multiply
19,143,118.80x = 28,717,302.60 × 6,362,290.80 - Step 4: Simplify right side
19,143,118.80x = 182,707,830,132,796.09 - Step 5: Solve for x
x = 182,707,830,132,796.09/19,143,118.80 - Step 6: Final answer
x = 9,544,308.43
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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.