Finding the Fourth Proportional to 8,994,948.12, 12,413,030.34 and 5,075,536.12
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Solution
The fourth proportional to 8,994,948.12, 12,413,030.34 and 5,075,536.12 is: 7,004,240.94
Step by Step Solution
- Step 1: Write the proportion equation
8,994,948.12 : 12,413,030.34 = 5,075,536.12 : x - Step 2: Convert to fraction form
8,994,948.12/12,413,030.34 = 5,075,536.12/x - Step 3: Cross multiply
8,994,948.12x = 12,413,030.34 × 5,075,536.12 - Step 4: Simplify right side
8,994,948.12x = 63,002,783,849,325.88 - Step 5: Solve for x
x = 63,002,783,849,325.88/8,994,948.12 - Step 6: Final answer
x = 7,004,240.94
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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.