Finding the Fourth Proportional to 18,802,028.16, 28,203,710.76 and 6,020,872.20
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Solution
The fourth proportional to 18,802,028.16, 28,203,710.76 and 6,020,872.20 is: 9,031,522.38
Step by Step Solution
- Step 1: Write the proportion equation
18,802,028.16 : 28,203,710.76 = 6,020,872.20 : x - Step 2: Convert to fraction form
18,802,028.16/28,203,710.76 = 6,020,872.20/x - Step 3: Cross multiply
18,802,028.16x = 28,203,710.76 × 6,020,872.20 - Step 4: Simplify right side
18,802,028.16x = 169,810,938,051,724.88 - Step 5: Solve for x
x = 169,810,938,051,724.88/18,802,028.16 - Step 6: Final answer
x = 9,031,522.38
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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.