Finding the Fourth Proportional to 8,653,771.17, 12,974,890.68 and 4,765,060.08
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Solution
The fourth proportional to 8,653,771.17, 12,974,890.68 and 4,765,060.08 is: 7,144,415.12
Step by Step Solution
- Step 1: Write the proportion equation
8,653,771.17 : 12,974,890.68 = 4,765,060.08 : x - Step 2: Convert to fraction form
8,653,771.17/12,974,890.68 = 4,765,060.08/x - Step 3: Cross multiply
8,653,771.17x = 12,974,890.68 × 4,765,060.08 - Step 4: Simplify right side
8,653,771.17x = 61,826,133,621,632.05 - Step 5: Solve for x
x = 61,826,133,621,632.05/8,653,771.17 - Step 6: Final answer
x = 7,144,415.12
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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.