Finding the Fourth Proportional to 10,768,431.60, 14,860,482.14 and 5,873,758.74
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Solution
The fourth proportional to 10,768,431.60, 14,860,482.14 and 5,873,758.74 is: 8,105,812.44
Step by Step Solution
- Step 1: Write the proportion equation
10,768,431.60 : 14,860,482.14 = 5,873,758.74 : x - Step 2: Convert to fraction form
10,768,431.60/14,860,482.14 = 5,873,758.74/x - Step 3: Cross multiply
10,768,431.60x = 14,860,482.14 × 5,873,758.74 - Step 4: Simplify right side
10,768,431.60x = 87,286,886,865,123.30 - Step 5: Solve for x
x = 87,286,886,865,123.30/10,768,431.60 - Step 6: Final answer
x = 8,105,812.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.