Finding the Fourth Proportional to 29,986,878.80, 44,980,318.20 and 7,267,776.08
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Solution
The fourth proportional to 29,986,878.80, 44,980,318.20 and 7,267,776.08 is: 10,901,664.12
Step by Step Solution
- Step 1: Write the proportion equation
29,986,878.80 : 44,980,318.20 = 7,267,776.08 : x - Step 2: Convert to fraction form
29,986,878.80/44,980,318.20 = 7,267,776.08/x - Step 3: Cross multiply
29,986,878.80x = 44,980,318.20 × 7,267,776.08 - Step 4: Simplify right side
29,986,878.80x = 326,906,880,684,748.69 - Step 5: Solve for x
x = 326,906,880,684,748.69/29,986,878.80 - Step 6: Final answer
x = 10,901,664.12
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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.