Finding the Fourth Proportional to 10,199,670.57, 14,075,890.84 and 5,553,635.79
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Solution
The fourth proportional to 10,199,670.57, 14,075,890.84 and 5,553,635.79 is: 7,664,205.49
Step by Step Solution
- Step 1: Write the proportion equation
10,199,670.57 : 14,075,890.84 = 5,553,635.79 : x - Step 2: Convert to fraction form
10,199,670.57/14,075,890.84 = 5,553,635.79/x - Step 3: Cross multiply
10,199,670.57x = 14,075,890.84 × 5,553,635.79 - Step 4: Simplify right side
10,199,670.57x = 78,172,371,145,157.16 - Step 5: Solve for x
x = 78,172,371,145,157.16/10,199,670.57 - Step 6: Final answer
x = 7,664,205.49
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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.