Finding the Fourth Proportional to 29,920,532.45, 44,880,810.98 and 7,201,429.70
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Solution
The fourth proportional to 29,920,532.45, 44,880,810.98 and 7,201,429.70 is: 10,802,147.51
Step by Step Solution
- Step 1: Write the proportion equation
29,920,532.45 : 44,880,810.98 = 7,201,429.70 : x - Step 2: Convert to fraction form
29,920,532.45/44,880,810.98 = 7,201,429.70/x - Step 3: Cross multiply
29,920,532.45x = 44,880,810.98 × 7,201,429.70 - Step 4: Simplify right side
29,920,532.45x = 323,206,005,151,458.06 - Step 5: Solve for x
x = 323,206,005,151,458.06/29,920,532.45 - Step 6: Final answer
x = 10,802,147.51
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1.5x scale
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.