Finding the Fourth Proportional to 8,869,659.70, 13,304,489.55 and 4,086,690.70
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Solution
The fourth proportional to 8,869,659.70, 13,304,489.55 and 4,086,690.70 is: 6,130,036.05
Step by Step Solution
- Step 1: Write the proportion equation
8,869,659.70 : 13,304,489.55 = 4,086,690.70 : x - Step 2: Convert to fraction form
8,869,659.70/13,304,489.55 = 4,086,690.70/x - Step 3: Cross multiply
8,869,659.70x = 13,304,489.55 × 4,086,690.70 - Step 4: Simplify right side
8,869,659.70x = 54,371,333,712,232.19 - Step 5: Solve for x
x = 54,371,333,712,232.19/8,869,659.70 - Step 6: Final answer
x = 6,130,036.05
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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.