Finding the Fourth Proportional to 10,304,967.80, 15,457,451.70 and 5,266,119.80
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Solution
The fourth proportional to 10,304,967.80, 15,457,451.70 and 5,266,119.80 is: 7,899,179.70
Step by Step Solution
- Step 1: Write the proportion equation
10,304,967.80 : 15,457,451.70 = 5,266,119.80 : x - Step 2: Convert to fraction form
10,304,967.80/15,457,451.70 = 5,266,119.80/x - Step 3: Cross multiply
10,304,967.80x = 15,457,451.70 × 5,266,119.80 - Step 4: Simplify right side
10,304,967.80x = 81,400,792,454,913.66 - Step 5: Solve for x
x = 81,400,792,454,913.66/10,304,967.80 - Step 6: Final answer
x = 7,899,179.70
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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.