Finding the Fourth Proportional to 11,000,107.20, 16,506,065.70 and 4,611,005.40
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Solution
The fourth proportional to 11,000,107.20, 16,506,065.70 and 4,611,005.40 is: 6,918,983.31
Step by Step Solution
- Step 1: Write the proportion equation
11,000,107.20 : 16,506,065.70 = 4,611,005.40 : x - Step 2: Convert to fraction form
11,000,107.20/16,506,065.70 = 4,611,005.40/x - Step 3: Cross multiply
11,000,107.20x = 16,506,065.70 × 4,611,005.40 - Step 4: Simplify right side
11,000,107.20x = 76,109,558,075,454.78 - Step 5: Solve for x
x = 76,109,558,075,454.78/11,000,107.20 - Step 6: Final answer
x = 6,918,983.31
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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.