Finding the Fourth Proportional to 8,704,230.84, 12,012,943.14 and 5,266,500.12
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Solution
The fourth proportional to 8,704,230.84, 12,012,943.14 and 5,266,500.12 is: 7,268,438.49
Step by Step Solution
- Step 1: Write the proportion equation
8,704,230.84 : 12,012,943.14 = 5,266,500.12 : x - Step 2: Convert to fraction form
8,704,230.84/12,012,943.14 = 5,266,500.12/x - Step 3: Cross multiply
8,704,230.84x = 12,012,943.14 × 5,266,500.12 - Step 4: Simplify right side
8,704,230.84x = 63,266,166,488,363.18 - Step 5: Solve for x
x = 63,266,166,488,363.18/8,704,230.84 - Step 6: Final answer
x = 7,268,438.49
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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.