Finding the Fourth Proportional to 25,129,738.53, 37,694,607.98 and 7,178,842.53
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Solution
The fourth proportional to 25,129,738.53, 37,694,607.98 and 7,178,842.53 is: 10,768,263.85
Step by Step Solution
- Step 1: Write the proportion equation
25,129,738.53 : 37,694,607.98 = 7,178,842.53 : x - Step 2: Convert to fraction form
25,129,738.53/37,694,607.98 = 7,178,842.53/x - Step 3: Cross multiply
25,129,738.53x = 37,694,607.98 × 7,178,842.53 - Step 4: Simplify right side
25,129,738.53x = 270,603,654,882,607.19 - Step 5: Solve for x
x = 270,603,654,882,607.19/25,129,738.53 - Step 6: Final answer
x = 10,768,263.85
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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.