Finding the Fourth Proportional to 28,193,475.21, 42,290,249.90 and 7,723,376.75
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Solution
The fourth proportional to 28,193,475.21, 42,290,249.90 and 7,723,376.75 is: 11,585,075.28
Step by Step Solution
- Step 1: Write the proportion equation
28,193,475.21 : 42,290,249.90 = 7,723,376.75 : x - Step 2: Convert to fraction form
28,193,475.21/42,290,249.90 = 7,723,376.75/x - Step 3: Cross multiply
28,193,475.21x = 42,290,249.90 × 7,723,376.75 - Step 4: Simplify right side
28,193,475.21x = 326,623,532,579,281.75 - Step 5: Solve for x
x = 326,623,532,579,281.75/28,193,475.21 - Step 6: Final answer
x = 11,585,075.28
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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.