Finding the Fourth Proportional to 8,214,463.98, 12,319,075.64 and 2,821,814.06
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Solution
The fourth proportional to 8,214,463.98, 12,319,075.64 and 2,821,814.06 is: 4,231,820.95
Step by Step Solution
- Step 1: Write the proportion equation
8,214,463.98 : 12,319,075.64 = 2,821,814.06 : x - Step 2: Convert to fraction form
8,214,463.98/12,319,075.64 = 2,821,814.06/x - Step 3: Cross multiply
8,214,463.98x = 12,319,075.64 × 2,821,814.06 - Step 4: Simplify right side
8,214,463.98x = 34,762,140,792,614.66 - Step 5: Solve for x
x = 34,762,140,792,614.66/8,214,463.98 - Step 6: Final answer
x = 4,231,820.95
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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.