Finding the Fourth Proportional to 19,114,750.70, 28,686,405.30 and 12,952,120.12
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Solution
The fourth proportional to 19,114,750.70, 28,686,405.30 and 12,952,120.12 is: 19,437,855.77
Step by Step Solution
- Step 1: Write the proportion equation
19,114,750.70 : 28,686,405.30 = 12,952,120.12 : x - Step 2: Convert to fraction form
19,114,750.70/28,686,405.30 = 12,952,120.12/x - Step 3: Cross multiply
19,114,750.70x = 28,686,405.30 × 12,952,120.12 - Step 4: Simplify right side
19,114,750.70x = 371,549,767,256,604.62 - Step 5: Solve for x
x = 371,549,767,256,604.62/19,114,750.70 - Step 6: Final answer
x = 19,437,855.77
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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.