Finding the Fourth Proportional to 28,047,714.24, 42,135,414.84 and 20,290,555.26
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Solution
The fourth proportional to 28,047,714.24, 42,135,414.84 and 20,290,555.26 is: 30,482,019.18
Step by Step Solution
- Step 1: Write the proportion equation
28,047,714.24 : 42,135,414.84 = 20,290,555.26 : x - Step 2: Convert to fraction form
28,047,714.24/42,135,414.84 = 20,290,555.26/x - Step 3: Cross multiply
28,047,714.24x = 42,135,414.84 × 20,290,555.26 - Step 4: Simplify right side
28,047,714.24x = 854,950,963,447,777.88 - Step 5: Solve for x
x = 854,950,963,447,777.88/28,047,714.24 - Step 6: Final answer
x = 30,482,019.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.