Finding the Fourth Proportional to 8,653,774.18, 12,974,895.18 and 4,765,063.08
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Solution
The fourth proportional to 8,653,774.18, 12,974,895.18 and 4,765,063.08 is: 7,144,419.61
Step by Step Solution
- Step 1: Write the proportion equation
8,653,774.18 : 12,974,895.18 = 4,765,063.08 : x - Step 2: Convert to fraction form
8,653,774.18/12,974,895.18 = 4,765,063.08/x - Step 3: Cross multiply
8,653,774.18x = 12,974,895.18 × 4,765,063.08 - Step 4: Simplify right side
8,653,774.18x = 61,826,193,989,087.95 - Step 5: Solve for x
x = 61,826,193,989,087.95/8,653,774.18 - Step 6: Final answer
x = 7,144,419.61
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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.